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Finding the Fourth Proportional to 117,482.40, 176,223.96 and 38,602.80

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Solution

The fourth proportional to 117,482.40, 176,223.96 and 38,602.80 is: 57,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,482.40 : 176,223.96 = 38,602.80 : x
  2. Step 2: Convert to fraction form
    117,482.40/176,223.96 = 38,602.80/x
  3. Step 3: Cross multiply
    117,482.40x = 176,223.96 × 38,602.80
  4. Step 4: Simplify right side
    117,482.40x = 6,802,738,283.09
  5. Step 5: Solve for x
    x = 6,802,738,283.09/117,482.40
  6. Step 6: Final answer
    x = 57,904.32

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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.