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Finding the Fourth Proportional to 101,925.83, 140,652.88 and 56,606.74

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Solution

The fourth proportional to 101,925.83, 140,652.88 and 56,606.74 is: 78,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,925.83 : 140,652.88 = 56,606.74 : x
  2. Step 2: Convert to fraction form
    101,925.83/140,652.88 = 56,606.74/x
  3. Step 3: Cross multiply
    101,925.83x = 140,652.88 × 56,606.74
  4. Step 4: Simplify right side
    101,925.83x = 7,961,900,515.26
  5. Step 5: Solve for x
    x = 7,961,900,515.26/101,925.83
  6. Step 6: Final answer
    x = 78,114.65

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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.