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Finding the Fourth Proportional to 349,106.30, 523,700.44 and 124,498.66

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Solution

The fourth proportional to 349,106.30, 523,700.44 and 124,498.66 is: 186,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,106.30 : 523,700.44 = 124,498.66 : x
  2. Step 2: Convert to fraction form
    349,106.30/523,700.44 = 124,498.66/x
  3. Step 3: Cross multiply
    349,106.30x = 523,700.44 × 124,498.66
  4. Step 4: Simplify right side
    349,106.30x = 65,200,000,402.91
  5. Step 5: Solve for x
    x = 65,200,000,402.91/349,106.30
  6. Step 6: Final answer
    x = 186,762.60

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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.