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Finding the Fourth Proportional to 162,901.01, 224,809.47 and 91,278.38

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Solution

The fourth proportional to 162,901.01, 224,809.47 and 91,278.38 is: 125,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,901.01 : 224,809.47 = 91,278.38 : x
  2. Step 2: Convert to fraction form
    162,901.01/224,809.47 = 91,278.38/x
  3. Step 3: Cross multiply
    162,901.01x = 224,809.47 × 91,278.38
  4. Step 4: Simplify right side
    162,901.01x = 20,520,243,106.21
  5. Step 5: Solve for x
    x = 20,520,243,106.21/162,901.01
  6. Step 6: Final answer
    x = 125,967.57

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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.