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Finding the Fourth Proportional to 73,088.32, 109,632 and 56,472.32

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Solution

The fourth proportional to 73,088.32, 109,632 and 56,472.32 is: 84,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,088.32 : 109,632 = 56,472.32 : x
  2. Step 2: Convert to fraction form
    73,088.32/109,632 = 56,472.32/x
  3. Step 3: Cross multiply
    73,088.32x = 109,632 × 56,472.32
  4. Step 4: Simplify right side
    73,088.32x = 6,191,173,386.24
  5. Step 5: Solve for x
    x = 6,191,173,386.24/73,088.32
  6. Step 6: Final answer
    x = 84,708.11

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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.