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Finding the Fourth Proportional to 107,043.69, 147,720.30 and 59,300.13

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Solution

The fourth proportional to 107,043.69, 147,720.30 and 59,300.13 is: 81,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,043.69 : 147,720.30 = 59,300.13 : x
  2. Step 2: Convert to fraction form
    107,043.69/147,720.30 = 59,300.13/x
  3. Step 3: Cross multiply
    107,043.69x = 147,720.30 × 59,300.13
  4. Step 4: Simplify right side
    107,043.69x = 8,759,832,993.64
  5. Step 5: Solve for x
    x = 8,759,832,993.64/107,043.69
  6. Step 6: Final answer
    x = 81,834.18

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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.