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Finding the Fourth Proportional to 123,873.60, 185,810.88 and 35,124.48

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Solution

The fourth proportional to 123,873.60, 185,810.88 and 35,124.48 is: 52,686.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,873.60 : 185,810.88 = 35,124.48 : x
  2. Step 2: Convert to fraction form
    123,873.60/185,810.88 = 35,124.48/x
  3. Step 3: Cross multiply
    123,873.60x = 185,810.88 × 35,124.48
  4. Step 4: Simplify right side
    123,873.60x = 6,526,510,538.34
  5. Step 5: Solve for x
    x = 6,526,510,538.34/123,873.60
  6. Step 6: Final answer
    x = 52,686.86

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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.