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Finding the Fourth Proportional to 228,357.94, 342,569.72 and 70,598.70

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Solution

The fourth proportional to 228,357.94, 342,569.72 and 70,598.70 is: 105,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,357.94 : 342,569.72 = 70,598.70 : x
  2. Step 2: Convert to fraction form
    228,357.94/342,569.72 = 70,598.70/x
  3. Step 3: Cross multiply
    228,357.94x = 342,569.72 × 70,598.70
  4. Step 4: Simplify right side
    228,357.94x = 24,184,976,891.36
  5. Step 5: Solve for x
    x = 24,184,976,891.36/228,357.94
  6. Step 6: Final answer
    x = 105,908.19

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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.