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Finding the Fourth Proportional to 346,816.70, 520,259.70 and 94,101.20

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Solution

The fourth proportional to 346,816.70, 520,259.70 and 94,101.20 is: 141,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,816.70 : 520,259.70 = 94,101.20 : x
  2. Step 2: Convert to fraction form
    346,816.70/520,259.70 = 94,101.20/x
  3. Step 3: Cross multiply
    346,816.70x = 520,259.70 × 94,101.20
  4. Step 4: Simplify right side
    346,816.70x = 48,957,062,081.64
  5. Step 5: Solve for x
    x = 48,957,062,081.64/346,816.70
  6. Step 6: Final answer
    x = 141,161.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.