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Finding the Fourth Proportional to 291,473.67, 437,210.51 and 113,856.13

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Solution

The fourth proportional to 291,473.67, 437,210.51 and 113,856.13 is: 170,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,473.67 : 437,210.51 = 113,856.13 : x
  2. Step 2: Convert to fraction form
    291,473.67/437,210.51 = 113,856.13/x
  3. Step 3: Cross multiply
    291,473.67x = 437,210.51 × 113,856.13
  4. Step 4: Simplify right side
    291,473.67x = 49,779,097,281.60
  5. Step 5: Solve for x
    x = 49,779,097,281.60/291,473.67
  6. Step 6: Final answer
    x = 170,784.20

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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.