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Finding the Fourth Proportional to 64,430.51, 88,873.20 and 46,551.78

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Solution

The fourth proportional to 64,430.51, 88,873.20 and 46,551.78 is: 64,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,430.51 : 88,873.20 = 46,551.78 : x
  2. Step 2: Convert to fraction form
    64,430.51/88,873.20 = 46,551.78/x
  3. Step 3: Cross multiply
    64,430.51x = 88,873.20 × 46,551.78
  4. Step 4: Simplify right side
    64,430.51x = 4,137,205,654.30
  5. Step 5: Solve for x
    x = 4,137,205,654.30/64,430.51
  6. Step 6: Final answer
    x = 64,211.91

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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.