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Finding the Fourth Proportional to 125,700.62, 188,521.77 and 46,851.98

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Solution

The fourth proportional to 125,700.62, 188,521.77 and 46,851.98 is: 70,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,700.62 : 188,521.77 = 46,851.98 : x
  2. Step 2: Convert to fraction form
    125,700.62/188,521.77 = 46,851.98/x
  3. Step 3: Cross multiply
    125,700.62x = 188,521.77 × 46,851.98
  4. Step 4: Simplify right side
    125,700.62x = 8,832,618,197.60
  5. Step 5: Solve for x
    x = 8,832,618,197.60/125,700.62
  6. Step 6: Final answer
    x = 70,267.10

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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.