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Finding the Fourth Proportional to 127,488.75, 175,934.48 and 70,900.13

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Solution

The fourth proportional to 127,488.75, 175,934.48 and 70,900.13 is: 97,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,488.75 : 175,934.48 = 70,900.13 : x
  2. Step 2: Convert to fraction form
    127,488.75/175,934.48 = 70,900.13/x
  3. Step 3: Cross multiply
    127,488.75x = 175,934.48 × 70,900.13
  4. Step 4: Simplify right side
    127,488.75x = 12,473,776,269.31
  5. Step 5: Solve for x
    x = 12,473,776,269.31/127,488.75
  6. Step 6: Final answer
    x = 97,842.17

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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.