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Finding the Fourth Proportional to 148,950.69, 205,529.04 and 88,498.98

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Solution

The fourth proportional to 148,950.69, 205,529.04 and 88,498.98 is: 122,114.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,950.69 : 205,529.04 = 88,498.98 : x
  2. Step 2: Convert to fraction form
    148,950.69/205,529.04 = 88,498.98/x
  3. Step 3: Cross multiply
    148,950.69x = 205,529.04 × 88,498.98
  4. Step 4: Simplify right side
    148,950.69x = 18,189,110,400.38
  5. Step 5: Solve for x
    x = 18,189,110,400.38/148,950.69
  6. Step 6: Final answer
    x = 122,114.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.