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Finding the Fourth Proportional to 272,182.71, 375,590.85 and 151,316.64

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Solution

The fourth proportional to 272,182.71, 375,590.85 and 151,316.64 is: 208,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,182.71 : 375,590.85 = 151,316.64 : x
  2. Step 2: Convert to fraction form
    272,182.71/375,590.85 = 151,316.64/x
  3. Step 3: Cross multiply
    272,182.71x = 375,590.85 × 151,316.64
  4. Step 4: Simplify right side
    272,182.71x = 56,833,145,436.74
  5. Step 5: Solve for x
    x = 56,833,145,436.74/272,182.71
  6. Step 6: Final answer
    x = 208,805.13

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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.