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Finding the Fourth Proportional to 93,843.34, 129,503.84 and 51,403.40

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Solution

The fourth proportional to 93,843.34, 129,503.84 and 51,403.40 is: 70,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,843.34 : 129,503.84 = 51,403.40 : x
  2. Step 2: Convert to fraction form
    93,843.34/129,503.84 = 51,403.40/x
  3. Step 3: Cross multiply
    93,843.34x = 129,503.84 × 51,403.40
  4. Step 4: Simplify right side
    93,843.34x = 6,656,937,689.06
  5. Step 5: Solve for x
    x = 6,656,937,689.06/93,843.34
  6. Step 6: Final answer
    x = 70,936.71

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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.