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Finding the Fourth Proportional to 147,055.74, 220,476.07 and 47,159.07

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Solution

The fourth proportional to 147,055.74, 220,476.07 and 47,159.07 is: 70,704.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,055.74 : 220,476.07 = 47,159.07 : x
  2. Step 2: Convert to fraction form
    147,055.74/220,476.07 = 47,159.07/x
  3. Step 3: Cross multiply
    147,055.74x = 220,476.07 × 47,159.07
  4. Step 4: Simplify right side
    147,055.74x = 10,397,446,418.45
  5. Step 5: Solve for x
    x = 10,397,446,418.45/147,055.74
  6. Step 6: Final answer
    x = 70,704.12

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1.5x scale

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.