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Finding the Fourth Proportional to 109,460.80, 151,055.58 and 59,159.80

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Solution

The fourth proportional to 109,460.80, 151,055.58 and 59,159.80 is: 81,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,460.80 : 151,055.58 = 59,159.80 : x
  2. Step 2: Convert to fraction form
    109,460.80/151,055.58 = 59,159.80/x
  3. Step 3: Cross multiply
    109,460.80x = 151,055.58 × 59,159.80
  4. Step 4: Simplify right side
    109,460.80x = 8,936,417,901.68
  5. Step 5: Solve for x
    x = 8,936,417,901.68/109,460.80
  6. Step 6: Final answer
    x = 81,640.35

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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.