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Finding the Fourth Proportional to 93,473.44, 128,996.40 and 51,035.20

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Solution

The fourth proportional to 93,473.44, 128,996.40 and 51,035.20 is: 70,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,473.44 : 128,996.40 = 51,035.20 : x
  2. Step 2: Convert to fraction form
    93,473.44/128,996.40 = 51,035.20/x
  3. Step 3: Cross multiply
    93,473.44x = 128,996.40 × 51,035.20
  4. Step 4: Simplify right side
    93,473.44x = 6,583,357,073.28
  5. Step 5: Solve for x
    x = 6,583,357,073.28/93,473.44
  6. Step 6: Final answer
    x = 70,430.24

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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.