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Finding the Fourth Proportional to 209,614.57, 314,470.59 and 59,856.91

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Solution

The fourth proportional to 209,614.57, 314,470.59 and 59,856.91 is: 89,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,614.57 : 314,470.59 = 59,856.91 : x
  2. Step 2: Convert to fraction form
    209,614.57/314,470.59 = 59,856.91/x
  3. Step 3: Cross multiply
    209,614.57x = 314,470.59 × 59,856.91
  4. Step 4: Simplify right side
    209,614.57x = 18,823,237,803.28
  5. Step 5: Solve for x
    x = 18,823,237,803.28/209,614.57
  6. Step 6: Final answer
    x = 89,799.28

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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.