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Finding the Fourth Proportional to 224,378.56, 336,109.92 and 139,862.08

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Solution

The fourth proportional to 224,378.56, 336,109.92 and 139,862.08 is: 209,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,378.56 : 336,109.92 = 139,862.08 : x
  2. Step 2: Convert to fraction form
    224,378.56/336,109.92 = 139,862.08/x
  3. Step 3: Cross multiply
    224,378.56x = 336,109.92 × 139,862.08
  4. Step 4: Simplify right side
    224,378.56x = 47,009,032,519.83
  5. Step 5: Solve for x
    x = 47,009,032,519.83/224,378.56
  6. Step 6: Final answer
    x = 209,507.68

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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.