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Finding the Fourth Proportional to 97,381.50, 134,386.48 and 52,669.50

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Solution

The fourth proportional to 97,381.50, 134,386.48 and 52,669.50 is: 72,683.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,381.50 : 134,386.48 = 52,669.50 : x
  2. Step 2: Convert to fraction form
    97,381.50/134,386.48 = 52,669.50/x
  3. Step 3: Cross multiply
    97,381.50x = 134,386.48 × 52,669.50
  4. Step 4: Simplify right side
    97,381.50x = 7,078,068,708.36
  5. Step 5: Solve for x
    x = 7,078,068,708.36/97,381.50
  6. Step 6: Final answer
    x = 72,683.92

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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.