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Finding the Fourth Proportional to 159,501.87, 219,809.88 and 114,101.12

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Solution

The fourth proportional to 159,501.87, 219,809.88 and 114,101.12 is: 157,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,501.87 : 219,809.88 = 114,101.12 : x
  2. Step 2: Convert to fraction form
    159,501.87/219,809.88 = 114,101.12/x
  3. Step 3: Cross multiply
    159,501.87x = 219,809.88 × 114,101.12
  4. Step 4: Simplify right side
    159,501.87x = 25,080,554,044.59
  5. Step 5: Solve for x
    x = 25,080,554,044.59/159,501.87
  6. Step 6: Final answer
    x = 157,243.01

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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.