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Finding the Fourth Proportional to 100,624.68, 151,053.66 and 53,968.68

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Solution

The fourth proportional to 100,624.68, 151,053.66 and 53,968.68 is: 81,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,624.68 : 151,053.66 = 53,968.68 : x
  2. Step 2: Convert to fraction form
    100,624.68/151,053.66 = 53,968.68/x
  3. Step 3: Cross multiply
    100,624.68x = 151,053.66 × 53,968.68
  4. Step 4: Simplify right side
    100,624.68x = 8,152,166,639.37
  5. Step 5: Solve for x
    x = 8,152,166,639.37/100,624.68
  6. Step 6: Final answer
    x = 81,015.58

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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.