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Finding the Fourth Proportional to 118,807.97, 163,955.00 and 65,095.02

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Solution

The fourth proportional to 118,807.97, 163,955.00 and 65,095.02 is: 89,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,807.97 : 163,955.00 = 65,095.02 : x
  2. Step 2: Convert to fraction form
    118,807.97/163,955.00 = 65,095.02/x
  3. Step 3: Cross multiply
    118,807.97x = 163,955.00 × 65,095.02
  4. Step 4: Simplify right side
    118,807.97x = 10,672,653,678.62
  5. Step 5: Solve for x
    x = 10,672,653,678.62/118,807.97
  6. Step 6: Final answer
    x = 89,831.13

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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.