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Finding the Fourth Proportional to 127,349.68, 175,734.84 and 70,759.12

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Solution

The fourth proportional to 127,349.68, 175,734.84 and 70,759.12 is: 97,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,349.68 : 175,734.84 = 70,759.12 : x
  2. Step 2: Convert to fraction form
    127,349.68/175,734.84 = 70,759.12/x
  3. Step 3: Cross multiply
    127,349.68x = 175,734.84 × 70,759.12
  4. Step 4: Simplify right side
    127,349.68x = 12,434,842,631.74
  5. Step 5: Solve for x
    x = 12,434,842,631.74/127,349.68
  6. Step 6: Final answer
    x = 97,643.30

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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.