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Finding the Fourth Proportional to 217,337.60, 326,006.40 and 124,025.60

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Solution

The fourth proportional to 217,337.60, 326,006.40 and 124,025.60 is: 186,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,337.60 : 326,006.40 = 124,025.60 : x
  2. Step 2: Convert to fraction form
    217,337.60/326,006.40 = 124,025.60/x
  3. Step 3: Cross multiply
    217,337.60x = 326,006.40 × 124,025.60
  4. Step 4: Simplify right side
    217,337.60x = 40,433,139,363.84
  5. Step 5: Solve for x
    x = 40,433,139,363.84/217,337.60
  6. Step 6: Final answer
    x = 186,038.40

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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.