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Finding the Fourth Proportional to 366,005.32, 549,007.27 and 99,765.41

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Solution

The fourth proportional to 366,005.32, 549,007.27 and 99,765.41 is: 149,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,005.32 : 549,007.27 = 99,765.41 : x
  2. Step 2: Convert to fraction form
    366,005.32/549,007.27 = 99,765.41/x
  3. Step 3: Cross multiply
    366,005.32x = 549,007.27 × 99,765.41
  4. Step 4: Simplify right side
    366,005.32x = 54,771,932,390.08
  5. Step 5: Solve for x
    x = 54,771,932,390.08/366,005.32
  6. Step 6: Final answer
    x = 149,647.91

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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.