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Finding the Fourth Proportional to 262,030.60, 393,045.90 and 181,851.40

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Solution

The fourth proportional to 262,030.60, 393,045.90 and 181,851.40 is: 272,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,030.60 : 393,045.90 = 181,851.40 : x
  2. Step 2: Convert to fraction form
    262,030.60/393,045.90 = 181,851.40/x
  3. Step 3: Cross multiply
    262,030.60x = 393,045.90 × 181,851.40
  4. Step 4: Simplify right side
    262,030.60x = 71,475,947,179.26
  5. Step 5: Solve for x
    x = 71,475,947,179.26/262,030.60
  6. Step 6: Final answer
    x = 272,777.10

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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.