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Finding the Fourth Proportional to 207,455.58, 310,711.14 and 183,515.22

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Solution

The fourth proportional to 207,455.58, 310,711.14 and 183,515.22 is: 274,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,455.58 : 310,711.14 = 183,515.22 : x
  2. Step 2: Convert to fraction form
    207,455.58/310,711.14 = 183,515.22/x
  3. Step 3: Cross multiply
    207,455.58x = 310,711.14 × 183,515.22
  4. Step 4: Simplify right side
    207,455.58x = 57,020,223,213.55
  5. Step 5: Solve for x
    x = 57,020,223,213.55/207,455.58
  6. Step 6: Final answer
    x = 274,855.10

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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.