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Finding the Fourth Proportional to 92,950.34, 128,271.14 and 52,671.77

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Solution

The fourth proportional to 92,950.34, 128,271.14 and 52,671.77 is: 72,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,950.34 : 128,271.14 = 52,671.77 : x
  2. Step 2: Convert to fraction form
    92,950.34/128,271.14 = 52,671.77/x
  3. Step 3: Cross multiply
    92,950.34x = 128,271.14 × 52,671.77
  4. Step 4: Simplify right side
    92,950.34x = 6,756,267,079.00
  5. Step 5: Solve for x
    x = 6,756,267,079.00/92,950.34
  6. Step 6: Final answer
    x = 72,686.85

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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.