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Finding the Fourth Proportional to 372,573.79, 558,547.21 and 162,053.17

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Solution

The fourth proportional to 372,573.79, 558,547.21 and 162,053.17 is: 242,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,573.79 : 558,547.21 = 162,053.17 : x
  2. Step 2: Convert to fraction form
    372,573.79/558,547.21 = 162,053.17/x
  3. Step 3: Cross multiply
    372,573.79x = 558,547.21 × 162,053.17
  4. Step 4: Simplify right side
    372,573.79x = 90,514,344,781.35
  5. Step 5: Solve for x
    x = 90,514,344,781.35/372,573.79
  6. Step 6: Final answer
    x = 242,943.41

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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.