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Finding the Fourth Proportional to 160,607.13, 221,644.94 and 88,987.13

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Solution

The fourth proportional to 160,607.13, 221,644.94 and 88,987.13 is: 122,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,607.13 : 221,644.94 = 88,987.13 : x
  2. Step 2: Convert to fraction form
    160,607.13/221,644.94 = 88,987.13/x
  3. Step 3: Cross multiply
    160,607.13x = 221,644.94 × 88,987.13
  4. Step 4: Simplify right side
    160,607.13x = 19,723,547,089.62
  5. Step 5: Solve for x
    x = 19,723,547,089.62/160,607.13
  6. Step 6: Final answer
    x = 122,806.17

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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.