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Finding the Fourth Proportional to 93,473.10, 128,994.85 and 51,033.42

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Solution

The fourth proportional to 93,473.10, 128,994.85 and 51,033.42 is: 70,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,473.10 : 128,994.85 = 51,033.42 : x
  2. Step 2: Convert to fraction form
    93,473.10/128,994.85 = 51,033.42/x
  3. Step 3: Cross multiply
    93,473.10x = 128,994.85 × 51,033.42
  4. Step 4: Simplify right side
    93,473.10x = 6,583,048,357.89
  5. Step 5: Solve for x
    x = 6,583,048,357.89/93,473.10
  6. Step 6: Final answer
    x = 70,427.20

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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.