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Finding the Fourth Proportional to 88,710.81, 132,780.69 and 46,531.77

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Solution

The fourth proportional to 88,710.81, 132,780.69 and 46,531.77 is: 69,647.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,710.81 : 132,780.69 = 46,531.77 : x
  2. Step 2: Convert to fraction form
    88,710.81/132,780.69 = 46,531.77/x
  3. Step 3: Cross multiply
    88,710.81x = 132,780.69 × 46,531.77
  4. Step 4: Simplify right side
    88,710.81x = 6,178,520,527.52
  5. Step 5: Solve for x
    x = 6,178,520,527.52/88,710.81
  6. Step 6: Final answer
    x = 69,647.89

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1.5x scale

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.