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Finding the Fourth Proportional to 269,587, 372,050.68 and 148,751.60

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Solution

The fourth proportional to 269,587, 372,050.68 and 148,751.60 is: 205,288.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,587 : 372,050.68 = 148,751.60 : x
  2. Step 2: Convert to fraction form
    269,587/372,050.68 = 148,751.60/x
  3. Step 3: Cross multiply
    269,587x = 372,050.68 × 148,751.60
  4. Step 4: Simplify right side
    269,587x = 55,343,133,931.09
  5. Step 5: Solve for x
    x = 55,343,133,931.09/269,587
  6. Step 6: Final answer
    x = 205,288.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.