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Finding the Fourth Proportional to 372,064.16, 558,083.76 and 161,702.08

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Solution

The fourth proportional to 372,064.16, 558,083.76 and 161,702.08 is: 242,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,064.16 : 558,083.76 = 161,702.08 : x
  2. Step 2: Convert to fraction form
    372,064.16/558,083.76 = 161,702.08/x
  3. Step 3: Cross multiply
    372,064.16x = 558,083.76 × 161,702.08
  4. Step 4: Simplify right side
    372,064.16x = 90,243,304,806.22
  5. Step 5: Solve for x
    x = 90,243,304,806.22/372,064.16
  6. Step 6: Final answer
    x = 242,547.70

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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.