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Finding the Fourth Proportional to 162,801.66, 224,542.75 and 142,623.51

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Solution

The fourth proportional to 162,801.66, 224,542.75 and 142,623.51 is: 196,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,801.66 : 224,542.75 = 142,623.51 : x
  2. Step 2: Convert to fraction form
    162,801.66/224,542.75 = 142,623.51/x
  3. Step 3: Cross multiply
    162,801.66x = 224,542.75 × 142,623.51
  4. Step 4: Simplify right side
    162,801.66x = 32,025,074,248.71
  5. Step 5: Solve for x
    x = 32,025,074,248.71/162,801.66
  6. Step 6: Final answer
    x = 196,712.21

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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.