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Finding the Fourth Proportional to 123,869.60, 185,804.40 and 44,986.40

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Solution

The fourth proportional to 123,869.60, 185,804.40 and 44,986.40 is: 67,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,869.60 : 185,804.40 = 44,986.40 : x
  2. Step 2: Convert to fraction form
    123,869.60/185,804.40 = 44,986.40/x
  3. Step 3: Cross multiply
    123,869.60x = 185,804.40 × 44,986.40
  4. Step 4: Simplify right side
    123,869.60x = 8,358,671,060.16
  5. Step 5: Solve for x
    x = 8,358,671,060.16/123,869.60
  6. Step 6: Final answer
    x = 67,479.60

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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.