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Finding the Fourth Proportional to 162,394.32, 224,140.32 and 98,718.64

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Solution

The fourth proportional to 162,394.32, 224,140.32 and 98,718.64 is: 136,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,394.32 : 224,140.32 = 98,718.64 : x
  2. Step 2: Convert to fraction form
    162,394.32/224,140.32 = 98,718.64/x
  3. Step 3: Cross multiply
    162,394.32x = 224,140.32 × 98,718.64
  4. Step 4: Simplify right side
    162,394.32x = 22,126,827,559.56
  5. Step 5: Solve for x
    x = 22,126,827,559.56/162,394.32
  6. Step 6: Final answer
    x = 136,253.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.