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Finding the Fourth Proportional to 104,878.19, 157,192.41 and 60,412.84

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Solution

The fourth proportional to 104,878.19, 157,192.41 and 60,412.84 is: 90,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,878.19 : 157,192.41 = 60,412.84 : x
  2. Step 2: Convert to fraction form
    104,878.19/157,192.41 = 60,412.84/x
  3. Step 3: Cross multiply
    104,878.19x = 157,192.41 × 60,412.84
  4. Step 4: Simplify right side
    104,878.19x = 9,496,439,914.54
  5. Step 5: Solve for x
    x = 9,496,439,914.54/104,878.19
  6. Step 6: Final answer
    x = 90,547.33

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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.