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Finding the Fourth Proportional to 70,888.77, 97,829.81 and 42,201.93

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Solution

The fourth proportional to 70,888.77, 97,829.81 and 42,201.93 is: 58,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,888.77 : 97,829.81 = 42,201.93 : x
  2. Step 2: Convert to fraction form
    70,888.77/97,829.81 = 42,201.93/x
  3. Step 3: Cross multiply
    70,888.77x = 97,829.81 × 42,201.93
  4. Step 4: Simplify right side
    70,888.77x = 4,128,606,582.52
  5. Step 5: Solve for x
    x = 4,128,606,582.52/70,888.77
  6. Step 6: Final answer
    x = 58,240.63

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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.