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Finding the Fourth Proportional to 70,510.94, 97,304.18 and 40,295.94

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Solution

The fourth proportional to 70,510.94, 97,304.18 and 40,295.94 is: 55,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,510.94 : 97,304.18 = 40,295.94 : x
  2. Step 2: Convert to fraction form
    70,510.94/97,304.18 = 40,295.94/x
  3. Step 3: Cross multiply
    70,510.94x = 97,304.18 × 40,295.94
  4. Step 4: Simplify right side
    70,510.94x = 3,920,963,399.03
  5. Step 5: Solve for x
    x = 3,920,963,399.03/70,510.94
  6. Step 6: Final answer
    x = 55,607.87

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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.