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Finding the Fourth Proportional to 181,573.47, 250,567.74 and 100,999.26

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Solution

The fourth proportional to 181,573.47, 250,567.74 and 100,999.26 is: 139,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,573.47 : 250,567.74 = 100,999.26 : x
  2. Step 2: Convert to fraction form
    181,573.47/250,567.74 = 100,999.26/x
  3. Step 3: Cross multiply
    181,573.47x = 250,567.74 × 100,999.26
  4. Step 4: Simplify right side
    181,573.47x = 25,307,156,319.87
  5. Step 5: Solve for x
    x = 25,307,156,319.87/181,573.47
  6. Step 6: Final answer
    x = 139,376.95

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1.5x scale

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.