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Finding the Fourth Proportional to 164,802.60, 247,203.90 and 70,008.30

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Solution

The fourth proportional to 164,802.60, 247,203.90 and 70,008.30 is: 105,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,802.60 : 247,203.90 = 70,008.30 : x
  2. Step 2: Convert to fraction form
    164,802.60/247,203.90 = 70,008.30/x
  3. Step 3: Cross multiply
    164,802.60x = 247,203.90 × 70,008.30
  4. Step 4: Simplify right side
    164,802.60x = 17,306,324,792.37
  5. Step 5: Solve for x
    x = 17,306,324,792.37/164,802.60
  6. Step 6: Final answer
    x = 105,012.45

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1.5x scale

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.