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Finding the Fourth Proportional to 118,466.93, 163,484.66 and 64,752.59

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Solution

The fourth proportional to 118,466.93, 163,484.66 and 64,752.59 is: 89,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,466.93 : 163,484.66 = 64,752.59 : x
  2. Step 2: Convert to fraction form
    118,466.93/163,484.66 = 64,752.59/x
  3. Step 3: Cross multiply
    118,466.93x = 163,484.66 × 64,752.59
  4. Step 4: Simplify right side
    118,466.93x = 10,586,055,160.27
  5. Step 5: Solve for x
    x = 10,586,055,160.27/118,466.93
  6. Step 6: Final answer
    x = 89,358.74

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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.