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Finding the Fourth Proportional to 93,294.35, 128,745.54 and 50,853.18

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Solution

The fourth proportional to 93,294.35, 128,745.54 and 50,853.18 is: 70,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,294.35 : 128,745.54 = 50,853.18 : x
  2. Step 2: Convert to fraction form
    93,294.35/128,745.54 = 50,853.18/x
  3. Step 3: Cross multiply
    93,294.35x = 128,745.54 × 50,853.18
  4. Step 4: Simplify right side
    93,294.35x = 6,547,120,119.82
  5. Step 5: Solve for x
    x = 6,547,120,119.82/93,294.35
  6. Step 6: Final answer
    x = 70,177.03

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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.