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Finding the Fourth Proportional to 155,751.40, 233,666.10 and 44,943.40

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Solution

The fourth proportional to 155,751.40, 233,666.10 and 44,943.40 is: 67,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,751.40 : 233,666.10 = 44,943.40 : x
  2. Step 2: Convert to fraction form
    155,751.40/233,666.10 = 44,943.40/x
  3. Step 3: Cross multiply
    155,751.40x = 233,666.10 × 44,943.40
  4. Step 4: Simplify right side
    155,751.40x = 10,501,748,998.74
  5. Step 5: Solve for x
    x = 10,501,748,998.74/155,751.40
  6. Step 6: Final answer
    x = 67,426.35

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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.