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Finding the Fourth Proportional to 115,574, 159,492.12 and 62,582

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Solution

The fourth proportional to 115,574, 159,492.12 and 62,582 is: 86,363.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,574 : 159,492.12 = 62,582 : x
  2. Step 2: Convert to fraction form
    115,574/159,492.12 = 62,582/x
  3. Step 3: Cross multiply
    115,574x = 159,492.12 × 62,582
  4. Step 4: Simplify right side
    115,574x = 9,981,335,853.84
  5. Step 5: Solve for x
    x = 9,981,335,853.84/115,574
  6. Step 6: Final answer
    x = 86,363.16

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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.