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Finding the Fourth Proportional to 291,703.16, 437,554.74 and 94,711.16

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Solution

The fourth proportional to 291,703.16, 437,554.74 and 94,711.16 is: 142,066.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,703.16 : 437,554.74 = 94,711.16 : x
  2. Step 2: Convert to fraction form
    291,703.16/437,554.74 = 94,711.16/x
  3. Step 3: Cross multiply
    291,703.16x = 437,554.74 × 94,711.16
  4. Step 4: Simplify right side
    291,703.16x = 41,441,314,327.57
  5. Step 5: Solve for x
    x = 41,441,314,327.57/291,703.16
  6. Step 6: Final answer
    x = 142,066.73

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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.