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Finding the Fourth Proportional to 162,376.60, 243,564.90 and 103,473.40

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Solution

The fourth proportional to 162,376.60, 243,564.90 and 103,473.40 is: 155,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,376.60 : 243,564.90 = 103,473.40 : x
  2. Step 2: Convert to fraction form
    162,376.60/243,564.90 = 103,473.40/x
  3. Step 3: Cross multiply
    162,376.60x = 243,564.90 × 103,473.40
  4. Step 4: Simplify right side
    162,376.60x = 25,202,488,323.66
  5. Step 5: Solve for x
    x = 25,202,488,323.66/162,376.60
  6. Step 6: Final answer
    x = 155,210.10

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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.