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Finding the Fourth Proportional to 101,925.30, 140,657.80 and 59,475.64

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Solution

The fourth proportional to 101,925.30, 140,657.80 and 59,475.64 is: 82,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,925.30 : 140,657.80 = 59,475.64 : x
  2. Step 2: Convert to fraction form
    101,925.30/140,657.80 = 59,475.64/x
  3. Step 3: Cross multiply
    101,925.30x = 140,657.80 × 59,475.64
  4. Step 4: Simplify right side
    101,925.30x = 8,365,712,675.99
  5. Step 5: Solve for x
    x = 8,365,712,675.99/101,925.30
  6. Step 6: Final answer
    x = 82,076.90

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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.