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Finding the Fourth Proportional to 119,573.70, 164,831.46 and 98,316.06

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Solution

The fourth proportional to 119,573.70, 164,831.46 and 98,316.06 is: 135,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,573.70 : 164,831.46 = 98,316.06 : x
  2. Step 2: Convert to fraction form
    119,573.70/164,831.46 = 98,316.06/x
  3. Step 3: Cross multiply
    119,573.70x = 164,831.46 × 98,316.06
  4. Step 4: Simplify right side
    119,573.70x = 16,205,579,711.25
  5. Step 5: Solve for x
    x = 16,205,579,711.25/119,573.70
  6. Step 6: Final answer
    x = 135,527.96

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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.