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Finding the Fourth Proportional to 164,967,802.40, 247,451,703.60 and 162,416,885.60

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Solution

The fourth proportional to 164,967,802.40, 247,451,703.60 and 162,416,885.60 is: 243,625,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,967,802.40 : 247,451,703.60 = 162,416,885.60 : x
  2. Step 2: Convert to fraction form
    164,967,802.40/247,451,703.60 = 162,416,885.60/x
  3. Step 3: Cross multiply
    164,967,802.40x = 247,451,703.60 × 162,416,885.60
  4. Step 4: Simplify right side
    164,967,802.40x = 40,190,335,035,126,304
  5. Step 5: Solve for x
    x = 40,190,335,035,126,304/164,967,802.40
  6. Step 6: Final answer
    x = 243,625,328.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.