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Finding the Fourth Proportional to 162,963.60, 224,871.74 and 90,364.66

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Solution

The fourth proportional to 162,963.60, 224,871.74 and 90,364.66 is: 124,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,963.60 : 224,871.74 = 90,364.66 : x
  2. Step 2: Convert to fraction form
    162,963.60/224,871.74 = 90,364.66/x
  3. Step 3: Cross multiply
    162,963.60x = 224,871.74 × 90,364.66
  4. Step 4: Simplify right side
    162,963.60x = 20,320,459,426.78
  5. Step 5: Solve for x
    x = 20,320,459,426.78/162,963.60
  6. Step 6: Final answer
    x = 124,693.24

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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.