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Finding the Fourth Proportional to 173,463.89, 239,420.18 and 112,929.13

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Solution

The fourth proportional to 173,463.89, 239,420.18 and 112,929.13 is: 155,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,463.89 : 239,420.18 = 112,929.13 : x
  2. Step 2: Convert to fraction form
    173,463.89/239,420.18 = 112,929.13/x
  3. Step 3: Cross multiply
    173,463.89x = 239,420.18 × 112,929.13
  4. Step 4: Simplify right side
    173,463.89x = 27,037,512,631.84
  5. Step 5: Solve for x
    x = 27,037,512,631.84/173,463.89
  6. Step 6: Final answer
    x = 155,868.25

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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.