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Finding the Fourth Proportional to 124,230.40, 186,345.60 and 62,022.40

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Solution

The fourth proportional to 124,230.40, 186,345.60 and 62,022.40 is: 93,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,230.40 : 186,345.60 = 62,022.40 : x
  2. Step 2: Convert to fraction form
    124,230.40/186,345.60 = 62,022.40/x
  3. Step 3: Cross multiply
    124,230.40x = 186,345.60 × 62,022.40
  4. Step 4: Simplify right side
    124,230.40x = 11,557,601,341.44
  5. Step 5: Solve for x
    x = 11,557,601,341.44/124,230.40
  6. Step 6: Final answer
    x = 93,033.60

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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.