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Finding the Fourth Proportional to 118,015.71, 176,897.48 and 46,839.80

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Solution

The fourth proportional to 118,015.71, 176,897.48 and 46,839.80 is: 70,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,015.71 : 176,897.48 = 46,839.80 : x
  2. Step 2: Convert to fraction form
    118,015.71/176,897.48 = 46,839.80/x
  3. Step 3: Cross multiply
    118,015.71x = 176,897.48 × 46,839.80
  4. Step 4: Simplify right side
    118,015.71x = 8,285,841,465.02
  5. Step 5: Solve for x
    x = 8,285,841,465.02/118,015.71
  6. Step 6: Final answer
    x = 70,209.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.