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Finding the Fourth Proportional to 162,862.12, 224,762.88 and 91,258.12

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Solution

The fourth proportional to 162,862.12, 224,762.88 and 91,258.12 is: 125,943.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,862.12 : 224,762.88 = 91,258.12 : x
  2. Step 2: Convert to fraction form
    162,862.12/224,762.88 = 91,258.12/x
  3. Step 3: Cross multiply
    162,862.12x = 224,762.88 × 91,258.12
  4. Step 4: Simplify right side
    162,862.12x = 20,511,437,874.59
  5. Step 5: Solve for x
    x = 20,511,437,874.59/162,862.12
  6. Step 6: Final answer
    x = 125,943.58

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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.