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Finding the Fourth Proportional to 93,894.36, 129,575.94 and 50,874.72

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Solution

The fourth proportional to 93,894.36, 129,575.94 and 50,874.72 is: 70,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,894.36 : 129,575.94 = 50,874.72 : x
  2. Step 2: Convert to fraction form
    93,894.36/129,575.94 = 50,874.72/x
  3. Step 3: Cross multiply
    93,894.36x = 129,575.94 × 50,874.72
  4. Step 4: Simplify right side
    93,894.36x = 6,592,139,666.24
  5. Step 5: Solve for x
    x = 6,592,139,666.24/93,894.36
  6. Step 6: Final answer
    x = 70,208.05

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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.