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Finding the Fourth Proportional to 95,985, 132,459.30 and 53,543.53

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Solution

The fourth proportional to 95,985, 132,459.30 and 53,543.53 is: 73,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,985 : 132,459.30 = 53,543.53 : x
  2. Step 2: Convert to fraction form
    95,985/132,459.30 = 53,543.53/x
  3. Step 3: Cross multiply
    95,985x = 132,459.30 × 53,543.53
  4. Step 4: Simplify right side
    95,985x = 7,092,338,668.90
  5. Step 5: Solve for x
    x = 7,092,338,668.90/95,985
  6. Step 6: Final answer
    x = 73,890.07

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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.