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Finding the Fourth Proportional to 55,417.80, 83,126.70 and 48,200.70

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Solution

The fourth proportional to 55,417.80, 83,126.70 and 48,200.70 is: 72,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,417.80 : 83,126.70 = 48,200.70 : x
  2. Step 2: Convert to fraction form
    55,417.80/83,126.70 = 48,200.70/x
  3. Step 3: Cross multiply
    55,417.80x = 83,126.70 × 48,200.70
  4. Step 4: Simplify right side
    55,417.80x = 4,006,765,128.69
  5. Step 5: Solve for x
    x = 4,006,765,128.69/55,417.80
  6. Step 6: Final answer
    x = 72,301.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.