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Finding the Fourth Proportional to 118,160.51, 163,057.66 and 64,446.57

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Solution

The fourth proportional to 118,160.51, 163,057.66 and 64,446.57 is: 88,934.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,160.51 : 163,057.66 = 64,446.57 : x
  2. Step 2: Convert to fraction form
    118,160.51/163,057.66 = 64,446.57/x
  3. Step 3: Cross multiply
    118,160.51x = 163,057.66 × 64,446.57
  4. Step 4: Simplify right side
    118,160.51x = 10,508,506,738.11
  5. Step 5: Solve for x
    x = 10,508,506,738.11/118,160.51
  6. Step 6: Final answer
    x = 88,934.17

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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.