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Finding the Fourth Proportional to 357,845.40, 536,833.62 and 147,368.52

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Solution

The fourth proportional to 357,845.40, 536,833.62 and 147,368.52 is: 221,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,845.40 : 536,833.62 = 147,368.52 : x
  2. Step 2: Convert to fraction form
    357,845.40/536,833.62 = 147,368.52/x
  3. Step 3: Cross multiply
    357,845.40x = 536,833.62 × 147,368.52
  4. Step 4: Simplify right side
    357,845.40x = 79,112,376,065.64
  5. Step 5: Solve for x
    x = 79,112,376,065.64/357,845.40
  6. Step 6: Final answer
    x = 221,079.76

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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.