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Finding the Fourth Proportional to 200,038.72, 300,059.52 and 59,798.56

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Solution

The fourth proportional to 200,038.72, 300,059.52 and 59,798.56 is: 89,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,038.72 : 300,059.52 = 59,798.56 : x
  2. Step 2: Convert to fraction form
    200,038.72/300,059.52 = 59,798.56/x
  3. Step 3: Cross multiply
    200,038.72x = 300,059.52 × 59,798.56
  4. Step 4: Simplify right side
    200,038.72x = 17,943,127,210.29
  5. Step 5: Solve for x
    x = 17,943,127,210.29/200,038.72
  6. Step 6: Final answer
    x = 89,698.27

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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.