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Finding the Fourth Proportional to 242,859.16, 364,319.27 and 130,384.79

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Solution

The fourth proportional to 242,859.16, 364,319.27 and 130,384.79 is: 195,593.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,859.16 : 364,319.27 = 130,384.79 : x
  2. Step 2: Convert to fraction form
    242,859.16/364,319.27 = 130,384.79/x
  3. Step 3: Cross multiply
    242,859.16x = 364,319.27 × 130,384.79
  4. Step 4: Simplify right side
    242,859.16x = 47,501,690,893.52
  5. Step 5: Solve for x
    x = 47,501,690,893.52/242,859.16
  6. Step 6: Final answer
    x = 195,593.57

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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.