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Finding the Fourth Proportional to 97,888, 135,073.98 and 57,592.90

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Solution

The fourth proportional to 97,888, 135,073.98 and 57,592.90 is: 79,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,888 : 135,073.98 = 57,592.90 : x
  2. Step 2: Convert to fraction form
    97,888/135,073.98 = 57,592.90/x
  3. Step 3: Cross multiply
    97,888x = 135,073.98 × 57,592.90
  4. Step 4: Simplify right side
    97,888x = 7,779,302,222.74
  5. Step 5: Solve for x
    x = 7,779,302,222.74/97,888
  6. Step 6: Final answer
    x = 79,471.46

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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.