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Finding the Fourth Proportional to 79,030.08, 109,060.56 and 45,496.08

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Solution

The fourth proportional to 79,030.08, 109,060.56 and 45,496.08 is: 62,784.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,030.08 : 109,060.56 = 45,496.08 : x
  2. Step 2: Convert to fraction form
    79,030.08/109,060.56 = 45,496.08/x
  3. Step 3: Cross multiply
    79,030.08x = 109,060.56 × 45,496.08
  4. Step 4: Simplify right side
    79,030.08x = 4,961,827,962.60
  5. Step 5: Solve for x
    x = 4,961,827,962.60/79,030.08
  6. Step 6: Final answer
    x = 62,784.04

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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.