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Finding the Fourth Proportional to 97,335.90, 134,303.49 and 55,934.89

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Solution

The fourth proportional to 97,335.90, 134,303.49 and 55,934.89 is: 77,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,335.90 : 134,303.49 = 55,934.89 : x
  2. Step 2: Convert to fraction form
    97,335.90/134,303.49 = 55,934.89/x
  3. Step 3: Cross multiply
    97,335.90x = 134,303.49 × 55,934.89
  4. Step 4: Simplify right side
    97,335.90x = 7,512,250,939.77
  5. Step 5: Solve for x
    x = 7,512,250,939.77/97,335.90
  6. Step 6: Final answer
    x = 77,178.63

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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.