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Finding the Fourth Proportional to 233,145.95, 349,718.97 and 83,377.15

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Solution

The fourth proportional to 233,145.95, 349,718.97 and 83,377.15 is: 125,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,145.95 : 349,718.97 = 83,377.15 : x
  2. Step 2: Convert to fraction form
    233,145.95/349,718.97 = 83,377.15/x
  3. Step 3: Cross multiply
    233,145.95x = 349,718.97 × 83,377.15
  4. Step 4: Simplify right side
    233,145.95x = 29,158,569,988.91
  5. Step 5: Solve for x
    x = 29,158,569,988.91/233,145.95
  6. Step 6: Final answer
    x = 125,065.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.