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Finding the Fourth Proportional to 155,838.52, 233,796.64 and 45,030.52

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Solution

The fourth proportional to 155,838.52, 233,796.64 and 45,030.52 is: 67,557.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,838.52 : 233,796.64 = 45,030.52 : x
  2. Step 2: Convert to fraction form
    155,838.52/233,796.64 = 45,030.52/x
  3. Step 3: Cross multiply
    155,838.52x = 233,796.64 × 45,030.52
  4. Step 4: Simplify right side
    155,838.52x = 10,527,984,273.45
  5. Step 5: Solve for x
    x = 10,527,984,273.45/155,838.52
  6. Step 6: Final answer
    x = 67,557.01

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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.