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Finding the Fourth Proportional to 94,070.93, 129,808.10 and 53,239.64

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Solution

The fourth proportional to 94,070.93, 129,808.10 and 53,239.64 is: 73,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,070.93 : 129,808.10 = 53,239.64 : x
  2. Step 2: Convert to fraction form
    94,070.93/129,808.10 = 53,239.64/x
  3. Step 3: Cross multiply
    94,070.93x = 129,808.10 × 53,239.64
  4. Step 4: Simplify right side
    94,070.93x = 6,910,935,997.14
  5. Step 5: Solve for x
    x = 6,910,935,997.14/94,070.93
  6. Step 6: Final answer
    x = 73,465.16

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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.