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Finding the Fourth Proportional to 124,603.80, 186,905.70 and 93,499.80

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Solution

The fourth proportional to 124,603.80, 186,905.70 and 93,499.80 is: 140,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,603.80 : 186,905.70 = 93,499.80 : x
  2. Step 2: Convert to fraction form
    124,603.80/186,905.70 = 93,499.80/x
  3. Step 3: Cross multiply
    124,603.80x = 186,905.70 × 93,499.80
  4. Step 4: Simplify right side
    124,603.80x = 17,475,645,568.86
  5. Step 5: Solve for x
    x = 17,475,645,568.86/124,603.80
  6. Step 6: Final answer
    x = 140,249.70

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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.