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Finding the Fourth Proportional to 59,111.40, 88,411.10 and 52,916.20

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Solution

The fourth proportional to 59,111.40, 88,411.10 and 52,916.20 is: 79,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,111.40 : 88,411.10 = 52,916.20 : x
  2. Step 2: Convert to fraction form
    59,111.40/88,411.10 = 52,916.20/x
  3. Step 3: Cross multiply
    59,111.40x = 88,411.10 × 52,916.20
  4. Step 4: Simplify right side
    59,111.40x = 4,678,379,449.82
  5. Step 5: Solve for x
    x = 4,678,379,449.82/59,111.40
  6. Step 6: Final answer
    x = 79,145.13

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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.