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Finding the Fourth Proportional to 246,709.77, 370,077.85 and 78,242.87

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Solution

The fourth proportional to 246,709.77, 370,077.85 and 78,242.87 is: 117,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,709.77 : 370,077.85 = 78,242.87 : x
  2. Step 2: Convert to fraction form
    246,709.77/370,077.85 = 78,242.87/x
  3. Step 3: Cross multiply
    246,709.77x = 370,077.85 × 78,242.87
  4. Step 4: Simplify right side
    246,709.77x = 28,955,954,130.43
  5. Step 5: Solve for x
    x = 28,955,954,130.43/246,709.77
  6. Step 6: Final answer
    x = 117,368.50

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1.5x scale

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.