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Finding the Fourth Proportional to 112,253, 154,911.30 and 61,950.92

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Solution

The fourth proportional to 112,253, 154,911.30 and 61,950.92 is: 85,493.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,253 : 154,911.30 = 61,950.92 : x
  2. Step 2: Convert to fraction form
    112,253/154,911.30 = 61,950.92/x
  3. Step 3: Cross multiply
    112,253x = 154,911.30 × 61,950.92
  4. Step 4: Simplify right side
    112,253x = 9,596,897,553.40
  5. Step 5: Solve for x
    x = 9,596,897,553.40/112,253
  6. Step 6: Final answer
    x = 85,493.46

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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.