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Finding the Fourth Proportional to 93,368.32, 128,846.10 and 50,927.20

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Solution

The fourth proportional to 93,368.32, 128,846.10 and 50,927.20 is: 70,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,368.32 : 128,846.10 = 50,927.20 : x
  2. Step 2: Convert to fraction form
    93,368.32/128,846.10 = 50,927.20/x
  3. Step 3: Cross multiply
    93,368.32x = 128,846.10 × 50,927.20
  4. Step 4: Simplify right side
    93,368.32x = 6,561,771,103.92
  5. Step 5: Solve for x
    x = 6,561,771,103.92/93,368.32
  6. Step 6: Final answer
    x = 70,278.35

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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.