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Finding the Fourth Proportional to 364,987.15, 547,482.02 and 112,265.93

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Solution

The fourth proportional to 364,987.15, 547,482.02 and 112,265.93 is: 168,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,987.15 : 547,482.02 = 112,265.93 : x
  2. Step 2: Convert to fraction form
    364,987.15/547,482.02 = 112,265.93/x
  3. Step 3: Cross multiply
    364,987.15x = 547,482.02 × 112,265.93
  4. Step 4: Simplify right side
    364,987.15x = 61,463,578,133.58
  5. Step 5: Solve for x
    x = 61,463,578,133.58/364,987.15
  6. Step 6: Final answer
    x = 168,399.29

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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.