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Finding the Fourth Proportional to 118,281.61, 177,421.50 and 29,534.51

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Solution

The fourth proportional to 118,281.61, 177,421.50 and 29,534.51 is: 44,301.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,281.61 : 177,421.50 = 29,534.51 : x
  2. Step 2: Convert to fraction form
    118,281.61/177,421.50 = 29,534.51/x
  3. Step 3: Cross multiply
    118,281.61x = 177,421.50 × 29,534.51
  4. Step 4: Simplify right side
    118,281.61x = 5,240,057,509.52
  5. Step 5: Solve for x
    x = 5,240,057,509.52/118,281.61
  6. Step 6: Final answer
    x = 44,301.54

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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.