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Finding the Fourth Proportional to 162,400.32, 224,148.60 and 98,724.60

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Solution

The fourth proportional to 162,400.32, 224,148.60 and 98,724.60 is: 136,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,400.32 : 224,148.60 = 98,724.60 : x
  2. Step 2: Convert to fraction form
    162,400.32/224,148.60 = 98,724.60/x
  3. Step 3: Cross multiply
    162,400.32x = 224,148.60 × 98,724.60
  4. Step 4: Simplify right side
    162,400.32x = 22,128,980,875.56
  5. Step 5: Solve for x
    x = 22,128,980,875.56/162,400.32
  6. Step 6: Final answer
    x = 136,261.93

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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.