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Finding the Fourth Proportional to 159,547.49, 220,171.47 and 86,952.24

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Solution

The fourth proportional to 159,547.49, 220,171.47 and 86,952.24 is: 119,991.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,547.49 : 220,171.47 = 86,952.24 : x
  2. Step 2: Convert to fraction form
    159,547.49/220,171.47 = 86,952.24/x
  3. Step 3: Cross multiply
    159,547.49x = 220,171.47 × 86,952.24
  4. Step 4: Simplify right side
    159,547.49x = 19,144,403,038.31
  5. Step 5: Solve for x
    x = 19,144,403,038.31/159,547.49
  6. Step 6: Final answer
    x = 119,991.88

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1.5x scale

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.