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Finding the Fourth Proportional to 233,330.10, 349,789.95 and 138,326.10

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Solution

The fourth proportional to 233,330.10, 349,789.95 and 138,326.10 is: 207,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,330.10 : 349,789.95 = 138,326.10 : x
  2. Step 2: Convert to fraction form
    233,330.10/349,789.95 = 138,326.10/x
  3. Step 3: Cross multiply
    233,330.10x = 349,789.95 × 138,326.10
  4. Step 4: Simplify right side
    233,330.10x = 48,385,079,602.70
  5. Step 5: Solve for x
    x = 48,385,079,602.70/233,330.10
  6. Step 6: Final answer
    x = 207,367.50

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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.