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Finding the Fourth Proportional to 127,484.40, 175,925.40 and 69,339.64

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Solution

The fourth proportional to 127,484.40, 175,925.40 and 69,339.64 is: 95,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,484.40 : 175,925.40 = 69,339.64 : x
  2. Step 2: Convert to fraction form
    127,484.40/175,925.40 = 69,339.64/x
  3. Step 3: Cross multiply
    127,484.40x = 175,925.40 × 69,339.64
  4. Step 4: Simplify right side
    127,484.40x = 12,198,603,902.86
  5. Step 5: Solve for x
    x = 12,198,603,902.86/127,484.40
  6. Step 6: Final answer
    x = 95,687.03

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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.