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Finding the Fourth Proportional to 77,602.83, 107,094.06 and 43,614.42

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Solution

The fourth proportional to 77,602.83, 107,094.06 and 43,614.42 is: 60,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,602.83 : 107,094.06 = 43,614.42 : x
  2. Step 2: Convert to fraction form
    77,602.83/107,094.06 = 43,614.42/x
  3. Step 3: Cross multiply
    77,602.83x = 107,094.06 × 43,614.42
  4. Step 4: Simplify right side
    77,602.83x = 4,670,845,312.35
  5. Step 5: Solve for x
    x = 4,670,845,312.35/77,602.83
  6. Step 6: Final answer
    x = 60,189.11

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1.5x scale

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.