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Finding the Fourth Proportional to 93,294.48, 128,745.92 and 50,852.88

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Solution

The fourth proportional to 93,294.48, 128,745.92 and 50,852.88 is: 70,176.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,294.48 : 128,745.92 = 50,852.88 : x
  2. Step 2: Convert to fraction form
    93,294.48/128,745.92 = 50,852.88/x
  3. Step 3: Cross multiply
    93,294.48x = 128,745.92 × 50,852.88
  4. Step 4: Simplify right side
    93,294.48x = 6,547,100,820.25
  5. Step 5: Solve for x
    x = 6,547,100,820.25/93,294.48
  6. Step 6: Final answer
    x = 70,176.72

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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.