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Finding the Fourth Proportional to 68,775.42, 94,956.30 and 42,973.32

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Solution

The fourth proportional to 68,775.42, 94,956.30 and 42,973.32 is: 59,332.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,775.42 : 94,956.30 = 42,973.32 : x
  2. Step 2: Convert to fraction form
    68,775.42/94,956.30 = 42,973.32/x
  3. Step 3: Cross multiply
    68,775.42x = 94,956.30 × 42,973.32
  4. Step 4: Simplify right side
    68,775.42x = 4,080,587,465.92
  5. Step 5: Solve for x
    x = 4,080,587,465.92/68,775.42
  6. Step 6: Final answer
    x = 59,332.06

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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.