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Finding the Fourth Proportional to 162,355.76, 224,059.80 and 90,735.92

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Solution

The fourth proportional to 162,355.76, 224,059.80 and 90,735.92 is: 125,220.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,355.76 : 224,059.80 = 90,735.92 : x
  2. Step 2: Convert to fraction form
    162,355.76/224,059.80 = 90,735.92/x
  3. Step 3: Cross multiply
    162,355.76x = 224,059.80 × 90,735.92
  4. Step 4: Simplify right side
    162,355.76x = 20,330,272,088.02
  5. Step 5: Solve for x
    x = 20,330,272,088.02/162,355.76
  6. Step 6: Final answer
    x = 125,220.52

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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.