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Finding the Fourth Proportional to 292,156.52, 403,176.02 and 158,020.52

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Solution

The fourth proportional to 292,156.52, 403,176.02 and 158,020.52 is: 218,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,156.52 : 403,176.02 = 158,020.52 : x
  2. Step 2: Convert to fraction form
    292,156.52/403,176.02 = 158,020.52/x
  3. Step 3: Cross multiply
    292,156.52x = 403,176.02 × 158,020.52
  4. Step 4: Simplify right side
    292,156.52x = 63,710,084,331.93
  5. Step 5: Solve for x
    x = 63,710,084,331.93/292,156.52
  6. Step 6: Final answer
    x = 218,068.33

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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.