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Finding the Fourth Proportional to 93,799, 129,454.98 and 53,503.54

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Solution

The fourth proportional to 93,799, 129,454.98 and 53,503.54 is: 73,841.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,799 : 129,454.98 = 53,503.54 : x
  2. Step 2: Convert to fraction form
    93,799/129,454.98 = 53,503.54/x
  3. Step 3: Cross multiply
    93,799x = 129,454.98 × 53,503.54
  4. Step 4: Simplify right side
    93,799x = 6,926,299,700.63
  5. Step 5: Solve for x
    x = 6,926,299,700.63/93,799
  6. Step 6: Final answer
    x = 73,841.94

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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.