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Finding the Fourth Proportional to 157,541.60, 236,312.40 and 52,376.80

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Solution

The fourth proportional to 157,541.60, 236,312.40 and 52,376.80 is: 78,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,541.60 : 236,312.40 = 52,376.80 : x
  2. Step 2: Convert to fraction form
    157,541.60/236,312.40 = 52,376.80/x
  3. Step 3: Cross multiply
    157,541.60x = 236,312.40 × 52,376.80
  4. Step 4: Simplify right side
    157,541.60x = 12,377,287,312.32
  5. Step 5: Solve for x
    x = 12,377,287,312.32/157,541.60
  6. Step 6: Final answer
    x = 78,565.20

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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.