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Finding the Fourth Proportional to 104,962.28, 144,840.71 and 59,028.79

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Solution

The fourth proportional to 104,962.28, 144,840.71 and 59,028.79 is: 81,455.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,962.28 : 144,840.71 = 59,028.79 : x
  2. Step 2: Convert to fraction form
    104,962.28/144,840.71 = 59,028.79/x
  3. Step 3: Cross multiply
    104,962.28x = 144,840.71 × 59,028.79
  4. Step 4: Simplify right side
    104,962.28x = 8,549,771,854.04
  5. Step 5: Solve for x
    x = 8,549,771,854.04/104,962.28
  6. Step 6: Final answer
    x = 81,455.66

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1.5x scale

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.