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Finding the Fourth Proportional to 162,545.80, 224,302.60 and 90,913.40

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Solution

The fourth proportional to 162,545.80, 224,302.60 and 90,913.40 is: 125,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,545.80 : 224,302.60 = 90,913.40 : x
  2. Step 2: Convert to fraction form
    162,545.80/224,302.60 = 90,913.40/x
  3. Step 3: Cross multiply
    162,545.80x = 224,302.60 × 90,913.40
  4. Step 4: Simplify right side
    162,545.80x = 20,392,111,994.84
  5. Step 5: Solve for x
    x = 20,392,111,994.84/162,545.80
  6. Step 6: Final answer
    x = 125,454.56

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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.