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Finding the Fourth Proportional to 162,670.76, 224,434.48 and 91,039.40

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Solution

The fourth proportional to 162,670.76, 224,434.48 and 91,039.40 is: 125,605.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,670.76 : 224,434.48 = 91,039.40 : x
  2. Step 2: Convert to fraction form
    162,670.76/224,434.48 = 91,039.40/x
  3. Step 3: Cross multiply
    162,670.76x = 224,434.48 × 91,039.40
  4. Step 4: Simplify right side
    162,670.76x = 20,432,380,398.51
  5. Step 5: Solve for x
    x = 20,432,380,398.51/162,670.76
  6. Step 6: Final answer
    x = 125,605.74

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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.