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Finding the Fourth Proportional to 110,455.84, 152,338.96 and 67,938.08

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Solution

The fourth proportional to 110,455.84, 152,338.96 and 67,938.08 is: 93,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,455.84 : 152,338.96 = 67,938.08 : x
  2. Step 2: Convert to fraction form
    110,455.84/152,338.96 = 67,938.08/x
  3. Step 3: Cross multiply
    110,455.84x = 152,338.96 × 67,938.08
  4. Step 4: Simplify right side
    110,455.84x = 10,349,616,451.60
  5. Step 5: Solve for x
    x = 10,349,616,451.60/110,455.84
  6. Step 6: Final answer
    x = 93,699.13

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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.