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Finding the Fourth Proportional to 364,986.15, 547,480.52 and 112,264.93

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Solution

The fourth proportional to 364,986.15, 547,480.52 and 112,264.93 is: 168,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,986.15 : 547,480.52 = 112,264.93 : x
  2. Step 2: Convert to fraction form
    364,986.15/547,480.52 = 112,264.93/x
  3. Step 3: Cross multiply
    364,986.15x = 547,480.52 × 112,264.93
  4. Step 4: Simplify right side
    364,986.15x = 61,462,862,798.18
  5. Step 5: Solve for x
    x = 61,462,862,798.18/364,986.15
  6. Step 6: Final answer
    x = 168,397.80

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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.