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Finding the Fourth Proportional to 70,807.60, 97,706.47 and 41,734.07

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Solution

The fourth proportional to 70,807.60, 97,706.47 and 41,734.07 is: 57,588.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,807.60 : 97,706.47 = 41,734.07 : x
  2. Step 2: Convert to fraction form
    70,807.60/97,706.47 = 41,734.07/x
  3. Step 3: Cross multiply
    70,807.60x = 97,706.47 × 41,734.07
  4. Step 4: Simplify right side
    70,807.60x = 4,077,688,658.43
  5. Step 5: Solve for x
    x = 4,077,688,658.43/70,807.60
  6. Step 6: Final answer
    x = 57,588.29

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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.