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Finding the Fourth Proportional to 118,225.19, 163,147.56 and 64,510.22

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Solution

The fourth proportional to 118,225.19, 163,147.56 and 64,510.22 is: 89,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,225.19 : 163,147.56 = 64,510.22 : x
  2. Step 2: Convert to fraction form
    118,225.19/163,147.56 = 64,510.22/x
  3. Step 3: Cross multiply
    118,225.19x = 163,147.56 × 64,510.22
  4. Step 4: Simplify right side
    118,225.19x = 10,524,684,988.06
  5. Step 5: Solve for x
    x = 10,524,684,988.06/118,225.19
  6. Step 6: Final answer
    x = 89,022.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.