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Finding the Fourth Proportional to 107,543, 148,402.32 and 59,794.60

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Solution

The fourth proportional to 107,543, 148,402.32 and 59,794.60 is: 82,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,543 : 148,402.32 = 59,794.60 : x
  2. Step 2: Convert to fraction form
    107,543/148,402.32 = 59,794.60/x
  3. Step 3: Cross multiply
    107,543x = 148,402.32 × 59,794.60
  4. Step 4: Simplify right side
    107,543x = 8,873,657,363.47
  5. Step 5: Solve for x
    x = 8,873,657,363.47/107,543
  6. Step 6: Final answer
    x = 82,512.64

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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.