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Finding the Fourth Proportional to 239,017.77, 358,526.69 and 79,050.78

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Solution

The fourth proportional to 239,017.77, 358,526.69 and 79,050.78 is: 118,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,017.77 : 358,526.69 = 79,050.78 : x
  2. Step 2: Convert to fraction form
    239,017.77/358,526.69 = 79,050.78/x
  3. Step 3: Cross multiply
    239,017.77x = 358,526.69 × 79,050.78
  4. Step 4: Simplify right side
    239,017.77x = 28,341,814,495.32
  5. Step 5: Solve for x
    x = 28,341,814,495.32/239,017.77
  6. Step 6: Final answer
    x = 118,576.18

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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.