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Finding the Fourth Proportional to 207,368.60, 310,554.68 and 118,352.25

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Solution

The fourth proportional to 207,368.60, 310,554.68 and 118,352.25 is: 177,244.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,368.60 : 310,554.68 = 118,352.25 : x
  2. Step 2: Convert to fraction form
    207,368.60/310,554.68 = 118,352.25/x
  3. Step 3: Cross multiply
    207,368.60x = 310,554.68 × 118,352.25
  4. Step 4: Simplify right side
    207,368.60x = 36,754,844,534.27
  5. Step 5: Solve for x
    x = 36,754,844,534.27/207,368.60
  6. Step 6: Final answer
    x = 177,244.03

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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.