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Finding the Fourth Proportional to 70,552.84, 97,359.48 and 40,341.46

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Solution

The fourth proportional to 70,552.84, 97,359.48 and 40,341.46 is: 55,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,552.84 : 97,359.48 = 40,341.46 : x
  2. Step 2: Convert to fraction form
    70,552.84/97,359.48 = 40,341.46/x
  3. Step 3: Cross multiply
    70,552.84x = 97,359.48 × 40,341.46
  4. Step 4: Simplify right side
    70,552.84x = 3,927,623,324.64
  5. Step 5: Solve for x
    x = 3,927,623,324.64/70,552.84
  6. Step 6: Final answer
    x = 55,669.25

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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.