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Finding the Fourth Proportional to 124,417.40, 186,626.10 and 93,313.40

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Solution

The fourth proportional to 124,417.40, 186,626.10 and 93,313.40 is: 139,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,417.40 : 186,626.10 = 93,313.40 : x
  2. Step 2: Convert to fraction form
    124,417.40/186,626.10 = 93,313.40/x
  3. Step 3: Cross multiply
    124,417.40x = 186,626.10 × 93,313.40
  4. Step 4: Simplify right side
    124,417.40x = 17,414,715,919.74
  5. Step 5: Solve for x
    x = 17,414,715,919.74/124,417.40
  6. Step 6: Final answer
    x = 139,970.10

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Similar ratio
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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.