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Finding the Fourth Proportional to 245,019.60, 367,572.60 and 87,339.60

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Solution

The fourth proportional to 245,019.60, 367,572.60 and 87,339.60 is: 131,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,019.60 : 367,572.60 = 87,339.60 : x
  2. Step 2: Convert to fraction form
    245,019.60/367,572.60 = 87,339.60/x
  3. Step 3: Cross multiply
    245,019.60x = 367,572.60 × 87,339.60
  4. Step 4: Simplify right side
    245,019.60x = 32,103,643,854.96
  5. Step 5: Solve for x
    x = 32,103,643,854.96/245,019.60
  6. Step 6: Final answer
    x = 131,024.80

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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.