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Finding the Fourth Proportional to 150,065.02, 207,060.99 and 85,532.98

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Solution

The fourth proportional to 150,065.02, 207,060.99 and 85,532.98 is: 118,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,065.02 : 207,060.99 = 85,532.98 : x
  2. Step 2: Convert to fraction form
    150,065.02/207,060.99 = 85,532.98/x
  3. Step 3: Cross multiply
    150,065.02x = 207,060.99 × 85,532.98
  4. Step 4: Simplify right side
    150,065.02x = 17,710,543,516.45
  5. Step 5: Solve for x
    x = 17,710,543,516.45/150,065.02
  6. Step 6: Final answer
    x = 118,019.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.