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Finding the Fourth Proportional to 356,711.32, 535,008.66 and 107,335

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Solution

The fourth proportional to 356,711.32, 535,008.66 and 107,335 is: 160,984.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,711.32 : 535,008.66 = 107,335 : x
  2. Step 2: Convert to fraction form
    356,711.32/535,008.66 = 107,335/x
  3. Step 3: Cross multiply
    356,711.32x = 535,008.66 × 107,335
  4. Step 4: Simplify right side
    356,711.32x = 57,425,154,521.10
  5. Step 5: Solve for x
    x = 57,425,154,521.10/356,711.32
  6. Step 6: Final answer
    x = 160,984.95

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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.