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Finding the Fourth Proportional to 118,598.16, 177,955.65 and 55,422.63

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Solution

The fourth proportional to 118,598.16, 177,955.65 and 55,422.63 is: 83,161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,598.16 : 177,955.65 = 55,422.63 : x
  2. Step 2: Convert to fraction form
    118,598.16/177,955.65 = 55,422.63/x
  3. Step 3: Cross multiply
    118,598.16x = 177,955.65 × 55,422.63
  4. Step 4: Simplify right side
    118,598.16x = 9,862,770,146.36
  5. Step 5: Solve for x
    x = 9,862,770,146.36/118,598.16
  6. Step 6: Final answer
    x = 83,161.24

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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.