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Finding the Fourth Proportional to 93,380.44, 128,859.76 and 53,088.52

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Solution

The fourth proportional to 93,380.44, 128,859.76 and 53,088.52 is: 73,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,380.44 : 128,859.76 = 53,088.52 : x
  2. Step 2: Convert to fraction form
    93,380.44/128,859.76 = 53,088.52/x
  3. Step 3: Cross multiply
    93,380.44x = 128,859.76 × 53,088.52
  4. Step 4: Simplify right side
    93,380.44x = 6,840,973,945.96
  5. Step 5: Solve for x
    x = 6,840,973,945.96/93,380.44
  6. Step 6: Final answer
    x = 73,259.17

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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.