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Finding the Fourth Proportional to 154,703.04, 232,070.76 and 65,965.92

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Solution

The fourth proportional to 154,703.04, 232,070.76 and 65,965.92 is: 98,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,703.04 : 232,070.76 = 65,965.92 : x
  2. Step 2: Convert to fraction form
    154,703.04/232,070.76 = 65,965.92/x
  3. Step 3: Cross multiply
    154,703.04x = 232,070.76 × 65,965.92
  4. Step 4: Simplify right side
    154,703.04x = 15,308,761,188.50
  5. Step 5: Solve for x
    x = 15,308,761,188.50/154,703.04
  6. Step 6: Final answer
    x = 98,955.79

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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.