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Finding the Fourth Proportional to 127,458.72, 175,893.14 and 70,098.95

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Solution

The fourth proportional to 127,458.72, 175,893.14 and 70,098.95 is: 96,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,458.72 : 175,893.14 = 70,098.95 : x
  2. Step 2: Convert to fraction form
    127,458.72/175,893.14 = 70,098.95/x
  3. Step 3: Cross multiply
    127,458.72x = 175,893.14 × 70,098.95
  4. Step 4: Simplify right side
    127,458.72x = 12,329,923,196.24
  5. Step 5: Solve for x
    x = 12,329,923,196.24/127,458.72
  6. Step 6: Final answer
    x = 96,736.60

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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.