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Finding the Fourth Proportional to 209,644.53, 314,515.59 and 59,886.87

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Solution

The fourth proportional to 209,644.53, 314,515.59 and 59,886.87 is: 89,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,644.53 : 314,515.59 = 59,886.87 : x
  2. Step 2: Convert to fraction form
    209,644.53/314,515.59 = 59,886.87/x
  3. Step 3: Cross multiply
    209,644.53x = 314,515.59 × 59,886.87
  4. Step 4: Simplify right side
    209,644.53x = 18,835,354,251.30
  5. Step 5: Solve for x
    x = 18,835,354,251.30/209,644.53
  6. Step 6: Final answer
    x = 89,844.24

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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.