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Finding the Fourth Proportional to 153,034.85, 211,177.08 and 95,699.90

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Solution

The fourth proportional to 153,034.85, 211,177.08 and 95,699.90 is: 132,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,034.85 : 211,177.08 = 95,699.90 : x
  2. Step 2: Convert to fraction form
    153,034.85/211,177.08 = 95,699.90/x
  3. Step 3: Cross multiply
    153,034.85x = 211,177.08 × 95,699.90
  4. Step 4: Simplify right side
    153,034.85x = 20,209,625,966.23
  5. Step 5: Solve for x
    x = 20,209,625,966.23/153,034.85
  6. Step 6: Final answer
    x = 132,058.98

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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.