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Finding the Fourth Proportional to 63,318.94, 87,779.72 and 59,948.26

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Solution

The fourth proportional to 63,318.94, 87,779.72 and 59,948.26 is: 83,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,318.94 : 87,779.72 = 59,948.26 : x
  2. Step 2: Convert to fraction form
    63,318.94/87,779.72 = 59,948.26/x
  3. Step 3: Cross multiply
    63,318.94x = 87,779.72 × 59,948.26
  4. Step 4: Simplify right side
    63,318.94x = 5,262,241,477.29
  5. Step 5: Solve for x
    x = 5,262,241,477.29/63,318.94
  6. Step 6: Final answer
    x = 83,106.91

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.