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Finding the Fourth Proportional to 152,807.95, 211,087.62 and 145,334.62

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Solution

The fourth proportional to 152,807.95, 211,087.62 and 145,334.62 is: 200,764.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,807.95 : 211,087.62 = 145,334.62 : x
  2. Step 2: Convert to fraction form
    152,807.95/211,087.62 = 145,334.62/x
  3. Step 3: Cross multiply
    152,807.95x = 211,087.62 × 145,334.62
  4. Step 4: Simplify right side
    152,807.95x = 30,678,339,039.40
  5. Step 5: Solve for x
    x = 30,678,339,039.40/152,807.95
  6. Step 6: Final answer
    x = 200,764.02

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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.