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Finding the Fourth Proportional to 107,398.70, 148,210.20 and 59,656.49

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Solution

The fourth proportional to 107,398.70, 148,210.20 and 59,656.49 is: 82,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,398.70 : 148,210.20 = 59,656.49 : x
  2. Step 2: Convert to fraction form
    107,398.70/148,210.20 = 59,656.49/x
  3. Step 3: Cross multiply
    107,398.70x = 148,210.20 × 59,656.49
  4. Step 4: Simplify right side
    107,398.70x = 8,841,699,573.15
  5. Step 5: Solve for x
    x = 8,841,699,573.15/107,398.70
  6. Step 6: Final answer
    x = 82,325.95

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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.