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Finding the Fourth Proportional to 261,218.07, 392,001.87 and 95,006.07

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Solution

The fourth proportional to 261,218.07, 392,001.87 and 95,006.07 is: 142,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,218.07 : 392,001.87 = 95,006.07 : x
  2. Step 2: Convert to fraction form
    261,218.07/392,001.87 = 95,006.07/x
  3. Step 3: Cross multiply
    261,218.07x = 392,001.87 × 95,006.07
  4. Step 4: Simplify right side
    261,218.07x = 37,242,557,101.35
  5. Step 5: Solve for x
    x = 37,242,557,101.35/261,218.07
  6. Step 6: Final answer
    x = 142,572.67

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1.5x scale

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.