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Finding the Fourth Proportional to 162,348.63, 224,039.70 and 90,726.81

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Solution

The fourth proportional to 162,348.63, 224,039.70 and 90,726.81 is: 125,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,348.63 : 224,039.70 = 90,726.81 : x
  2. Step 2: Convert to fraction form
    162,348.63/224,039.70 = 90,726.81/x
  3. Step 3: Cross multiply
    162,348.63x = 224,039.70 × 90,726.81
  4. Step 4: Simplify right side
    162,348.63x = 20,326,407,294.36
  5. Step 5: Solve for x
    x = 20,326,407,294.36/162,348.63
  6. Step 6: Final answer
    x = 125,202.21

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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.