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Finding the Fourth Proportional to 224,547.72, 309,853.80 and 123,939.24

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Solution

The fourth proportional to 224,547.72, 309,853.80 and 123,939.24 is: 171,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,547.72 : 309,853.80 = 123,939.24 : x
  2. Step 2: Convert to fraction form
    224,547.72/309,853.80 = 123,939.24/x
  3. Step 3: Cross multiply
    224,547.72x = 309,853.80 × 123,939.24
  4. Step 4: Simplify right side
    224,547.72x = 38,403,044,483.11
  5. Step 5: Solve for x
    x = 38,403,044,483.11/224,547.72
  6. Step 6: Final answer
    x = 171,023.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.