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Finding the Fourth Proportional to 127,459.68, 175,896.39 and 70,101.52

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Solution

The fourth proportional to 127,459.68, 175,896.39 and 70,101.52 is: 96,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,459.68 : 175,896.39 = 70,101.52 : x
  2. Step 2: Convert to fraction form
    127,459.68/175,896.39 = 70,101.52/x
  3. Step 3: Cross multiply
    127,459.68x = 175,896.39 × 70,101.52
  4. Step 4: Simplify right side
    127,459.68x = 12,330,604,301.51
  5. Step 5: Solve for x
    x = 12,330,604,301.51/127,459.68
  6. Step 6: Final answer
    x = 96,741.21

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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.