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Finding the Fourth Proportional to 70,600.16, 105,277.40 and 60,802.40

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Solution

The fourth proportional to 70,600.16, 105,277.40 and 60,802.40 is: 90,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,600.16 : 105,277.40 = 60,802.40 : x
  2. Step 2: Convert to fraction form
    70,600.16/105,277.40 = 60,802.40/x
  3. Step 3: Cross multiply
    70,600.16x = 105,277.40 × 60,802.40
  4. Step 4: Simplify right side
    70,600.16x = 6,401,117,755.36
  5. Step 5: Solve for x
    x = 6,401,117,755.36/70,600.16
  6. Step 6: Final answer
    x = 90,667.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.