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Finding the Fourth Proportional to 127,651.52, 191,484.48 and 38,907.92

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Solution

The fourth proportional to 127,651.52, 191,484.48 and 38,907.92 is: 58,364.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,651.52 : 191,484.48 = 38,907.92 : x
  2. Step 2: Convert to fraction form
    127,651.52/191,484.48 = 38,907.92/x
  3. Step 3: Cross multiply
    127,651.52x = 191,484.48 × 38,907.92
  4. Step 4: Simplify right side
    127,651.52x = 7,450,263,307.79
  5. Step 5: Solve for x
    x = 7,450,263,307.79/127,651.52
  6. Step 6: Final answer
    x = 58,364.08

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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.