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Finding the Fourth Proportional to 113,883.77, 157,160.78 and 62,897.78

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Solution

The fourth proportional to 113,883.77, 157,160.78 and 62,897.78 is: 86,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,883.77 : 157,160.78 = 62,897.78 : x
  2. Step 2: Convert to fraction form
    113,883.77/157,160.78 = 62,897.78/x
  3. Step 3: Cross multiply
    113,883.77x = 157,160.78 × 62,897.78
  4. Step 4: Simplify right side
    113,883.77x = 9,885,064,165.07
  5. Step 5: Solve for x
    x = 9,885,064,165.07/113,883.77
  6. Step 6: Final answer
    x = 86,799.59

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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.