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Finding the Fourth Proportional to 93,176.92, 128,586.26 and 52,886.91

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Solution

The fourth proportional to 93,176.92, 128,586.26 and 52,886.91 is: 72,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,176.92 : 128,586.26 = 52,886.91 : x
  2. Step 2: Convert to fraction form
    93,176.92/128,586.26 = 52,886.91/x
  3. Step 3: Cross multiply
    93,176.92x = 128,586.26 × 52,886.91
  4. Step 4: Simplify right side
    93,176.92x = 6,800,529,959.86
  5. Step 5: Solve for x
    x = 6,800,529,959.86/93,176.92
  6. Step 6: Final answer
    x = 72,985.13

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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.