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Finding the Fourth Proportional to 127,953, 176,575.14 and 71,364.42

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Solution

The fourth proportional to 127,953, 176,575.14 and 71,364.42 is: 98,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,953 : 176,575.14 = 71,364.42 : x
  2. Step 2: Convert to fraction form
    127,953/176,575.14 = 71,364.42/x
  3. Step 3: Cross multiply
    127,953x = 176,575.14 × 71,364.42
  4. Step 4: Simplify right side
    127,953x = 12,601,182,452.52
  5. Step 5: Solve for x
    x = 12,601,182,452.52/127,953
  6. Step 6: Final answer
    x = 98,482.90

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1.5x scale

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.