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Finding the Fourth Proportional to 94,697.56, 130,681.38 and 52,255

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Solution

The fourth proportional to 94,697.56, 130,681.38 and 52,255 is: 72,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,697.56 : 130,681.38 = 52,255 : x
  2. Step 2: Convert to fraction form
    94,697.56/130,681.38 = 52,255/x
  3. Step 3: Cross multiply
    94,697.56x = 130,681.38 × 52,255
  4. Step 4: Simplify right side
    94,697.56x = 6,828,755,511.90
  5. Step 5: Solve for x
    x = 6,828,755,511.90/94,697.56
  6. Step 6: Final answer
    x = 72,111.21

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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.