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Finding the Fourth Proportional to 69,737.52, 96,292.08 and 42,892.50

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Solution

The fourth proportional to 69,737.52, 96,292.08 and 42,892.50 is: 59,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,737.52 : 96,292.08 = 42,892.50 : x
  2. Step 2: Convert to fraction form
    69,737.52/96,292.08 = 42,892.50/x
  3. Step 3: Cross multiply
    69,737.52x = 96,292.08 × 42,892.50
  4. Step 4: Simplify right side
    69,737.52x = 4,130,208,041.40
  5. Step 5: Solve for x
    x = 4,130,208,041.40/69,737.52
  6. Step 6: Final answer
    x = 59,225.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.