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Finding the Fourth Proportional to 69,055.80, 103,666.68 and 46,801.66

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Solution

The fourth proportional to 69,055.80, 103,666.68 and 46,801.66 is: 70,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,055.80 : 103,666.68 = 46,801.66 : x
  2. Step 2: Convert to fraction form
    69,055.80/103,666.68 = 46,801.66/x
  3. Step 3: Cross multiply
    69,055.80x = 103,666.68 × 46,801.66
  4. Step 4: Simplify right side
    69,055.80x = 4,851,772,710.69
  5. Step 5: Solve for x
    x = 4,851,772,710.69/69,055.80
  6. Step 6: Final answer
    x = 70,258.73

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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.