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Finding the Fourth Proportional to 162,495.57, 224,250.89 and 90,875.55

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Solution

The fourth proportional to 162,495.57, 224,250.89 and 90,875.55 is: 125,412.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,495.57 : 224,250.89 = 90,875.55 : x
  2. Step 2: Convert to fraction form
    162,495.57/224,250.89 = 90,875.55/x
  3. Step 3: Cross multiply
    162,495.57x = 224,250.89 × 90,875.55
  4. Step 4: Simplify right side
    162,495.57x = 20,378,922,512.36
  5. Step 5: Solve for x
    x = 20,378,922,512.36/162,495.57
  6. Step 6: Final answer
    x = 125,412.17

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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.