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Finding the Fourth Proportional to 76,700.67, 105,852.03 and 46,488.87

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Solution

The fourth proportional to 76,700.67, 105,852.03 and 46,488.87 is: 64,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,700.67 : 105,852.03 = 46,488.87 : x
  2. Step 2: Convert to fraction form
    76,700.67/105,852.03 = 46,488.87/x
  3. Step 3: Cross multiply
    76,700.67x = 105,852.03 × 46,488.87
  4. Step 4: Simplify right side
    76,700.67x = 4,920,941,261.91
  5. Step 5: Solve for x
    x = 4,920,941,261.91/76,700.67
  6. Step 6: Final answer
    x = 64,157.74

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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.