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Finding the Fourth Proportional to 107,454.79, 148,290.95 and 59,055.84

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Solution

The fourth proportional to 107,454.79, 148,290.95 and 59,055.84 is: 81,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,454.79 : 148,290.95 = 59,055.84 : x
  2. Step 2: Convert to fraction form
    107,454.79/148,290.95 = 59,055.84/x
  3. Step 3: Cross multiply
    107,454.79x = 148,290.95 × 59,055.84
  4. Step 4: Simplify right side
    107,454.79x = 8,757,446,616.65
  5. Step 5: Solve for x
    x = 8,757,446,616.65/107,454.79
  6. Step 6: Final answer
    x = 81,498.89

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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.