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Finding the Fourth Proportional to 93,844.34, 129,505.22 and 51,404.40

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Solution

The fourth proportional to 93,844.34, 129,505.22 and 51,404.40 is: 70,938.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,844.34 : 129,505.22 = 51,404.40 : x
  2. Step 2: Convert to fraction form
    93,844.34/129,505.22 = 51,404.40/x
  3. Step 3: Cross multiply
    93,844.34x = 129,505.22 × 51,404.40
  4. Step 4: Simplify right side
    93,844.34x = 6,657,138,130.97
  5. Step 5: Solve for x
    x = 6,657,138,130.97/93,844.34
  6. Step 6: Final answer
    x = 70,938.09

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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.