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Finding the Fourth Proportional to 157,670.88, 236,484 and 45,360.60

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Solution

The fourth proportional to 157,670.88, 236,484 and 45,360.60 is: 68,034.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,670.88 : 236,484 = 45,360.60 : x
  2. Step 2: Convert to fraction form
    157,670.88/236,484 = 45,360.60/x
  3. Step 3: Cross multiply
    157,670.88x = 236,484 × 45,360.60
  4. Step 4: Simplify right side
    157,670.88x = 10,727,056,130.40
  5. Step 5: Solve for x
    x = 10,727,056,130.40/157,670.88
  6. Step 6: Final answer
    x = 68,034.48

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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.