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Finding the Fourth Proportional to 104,559, 144,292.10 and 56,812.34

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Solution

The fourth proportional to 104,559, 144,292.10 and 56,812.34 is: 78,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,559 : 144,292.10 = 56,812.34 : x
  2. Step 2: Convert to fraction form
    104,559/144,292.10 = 56,812.34/x
  3. Step 3: Cross multiply
    104,559x = 144,292.10 × 56,812.34
  4. Step 4: Simplify right side
    104,559x = 8,197,571,844.51
  5. Step 5: Solve for x
    x = 8,197,571,844.51/104,559
  6. Step 6: Final answer
    x = 78,401.40

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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.