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Finding the Fourth Proportional to 434,091.52, 651,182.42 and 118,548.46

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Solution

The fourth proportional to 434,091.52, 651,182.42 and 118,548.46 is: 177,835.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,091.52 : 651,182.42 = 118,548.46 : x
  2. Step 2: Convert to fraction form
    434,091.52/651,182.42 = 118,548.46/x
  3. Step 3: Cross multiply
    434,091.52x = 651,182.42 × 118,548.46
  4. Step 4: Simplify right side
    434,091.52x = 77,196,673,070.07
  5. Step 5: Solve for x
    x = 77,196,673,070.07/434,091.52
  6. Step 6: Final answer
    x = 177,835.02

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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.