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Finding the Fourth Proportional to 169,440.42, 233,832.12 and 92,962.80

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Solution

The fourth proportional to 169,440.42, 233,832.12 and 92,962.80 is: 128,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,440.42 : 233,832.12 = 92,962.80 : x
  2. Step 2: Convert to fraction form
    169,440.42/233,832.12 = 92,962.80/x
  3. Step 3: Cross multiply
    169,440.42x = 233,832.12 × 92,962.80
  4. Step 4: Simplify right side
    169,440.42x = 21,737,688,605.14
  5. Step 5: Solve for x
    x = 21,737,688,605.14/169,440.42
  6. Step 6: Final answer
    x = 128,291.05

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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.