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Finding the Fourth Proportional to 210,007.55, 314,981.82 and 60,260.60

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Solution

The fourth proportional to 210,007.55, 314,981.82 and 60,260.60 is: 90,382.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,007.55 : 314,981.82 = 60,260.60 : x
  2. Step 2: Convert to fraction form
    210,007.55/314,981.82 = 60,260.60/x
  3. Step 3: Cross multiply
    210,007.55x = 314,981.82 × 60,260.60
  4. Step 4: Simplify right side
    210,007.55x = 18,980,991,887.38
  5. Step 5: Solve for x
    x = 18,980,991,887.38/210,007.55
  6. Step 6: Final answer
    x = 90,382.43

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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.