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Finding the Fourth Proportional to 235,303.16, 352,959.28 and 77,532.98

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Solution

The fourth proportional to 235,303.16, 352,959.28 and 77,532.98 is: 116,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,303.16 : 352,959.28 = 77,532.98 : x
  2. Step 2: Convert to fraction form
    235,303.16/352,959.28 = 77,532.98/x
  3. Step 3: Cross multiply
    235,303.16x = 352,959.28 × 77,532.98
  4. Step 4: Simplify right side
    235,303.16x = 27,365,984,797.05
  5. Step 5: Solve for x
    x = 27,365,984,797.05/235,303.16
  6. Step 6: Final answer
    x = 116,300.97

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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.