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Finding the Fourth Proportional to 93,464.13, 128,981.03 and 51,023.10

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Solution

The fourth proportional to 93,464.13, 128,981.03 and 51,023.10 is: 70,412.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,464.13 : 128,981.03 = 51,023.10 : x
  2. Step 2: Convert to fraction form
    93,464.13/128,981.03 = 51,023.10/x
  3. Step 3: Cross multiply
    93,464.13x = 128,981.03 × 51,023.10
  4. Step 4: Simplify right side
    93,464.13x = 6,581,011,474.45
  5. Step 5: Solve for x
    x = 6,581,011,474.45/93,464.13
  6. Step 6: Final answer
    x = 70,412.17

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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.