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Finding the Fourth Proportional to 113,772.98, 157,001 and 63,462.26

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Solution

The fourth proportional to 113,772.98, 157,001 and 63,462.26 is: 87,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,772.98 : 157,001 = 63,462.26 : x
  2. Step 2: Convert to fraction form
    113,772.98/157,001 = 63,462.26/x
  3. Step 3: Cross multiply
    113,772.98x = 157,001 × 63,462.26
  4. Step 4: Simplify right side
    113,772.98x = 9,963,638,282.26
  5. Step 5: Solve for x
    x = 9,963,638,282.26/113,772.98
  6. Step 6: Final answer
    x = 87,574.73

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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.