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Finding the Fourth Proportional to 291,784.60, 437,501.70 and 114,079.72

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Solution

The fourth proportional to 291,784.60, 437,501.70 and 114,079.72 is: 171,051.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,784.60 : 437,501.70 = 114,079.72 : x
  2. Step 2: Convert to fraction form
    291,784.60/437,501.70 = 114,079.72/x
  3. Step 3: Cross multiply
    291,784.60x = 437,501.70 × 114,079.72
  4. Step 4: Simplify right side
    291,784.60x = 49,910,071,435.52
  5. Step 5: Solve for x
    x = 49,910,071,435.52/291,784.60
  6. Step 6: Final answer
    x = 171,051.08

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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.