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Finding the Fourth Proportional to 145,816.11, 218,724.13 and 35,008.11

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Solution

The fourth proportional to 145,816.11, 218,724.13 and 35,008.11 is: 52,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,816.11 : 218,724.13 = 35,008.11 : x
  2. Step 2: Convert to fraction form
    145,816.11/218,724.13 = 35,008.11/x
  3. Step 3: Cross multiply
    145,816.11x = 218,724.13 × 35,008.11
  4. Step 4: Simplify right side
    145,816.11x = 7,657,118,402.69
  5. Step 5: Solve for x
    x = 7,657,118,402.69/145,816.11
  6. Step 6: Final answer
    x = 52,512.16

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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.