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Finding the Fourth Proportional to 342,007.46, 513,066.36 and 105,350.06

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Solution

The fourth proportional to 342,007.46, 513,066.36 and 105,350.06 is: 158,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,007.46 : 513,066.36 = 105,350.06 : x
  2. Step 2: Convert to fraction form
    342,007.46/513,066.36 = 105,350.06/x
  3. Step 3: Cross multiply
    342,007.46x = 513,066.36 × 105,350.06
  4. Step 4: Simplify right side
    342,007.46x = 54,051,571,809.98
  5. Step 5: Solve for x
    x = 54,051,571,809.98/342,007.46
  6. Step 6: Final answer
    x = 158,042.08

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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.