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Finding the Fourth Proportional to 98,263.81, 135,604.51 and 55,824.67

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Solution

The fourth proportional to 98,263.81, 135,604.51 and 55,824.67 is: 77,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,263.81 : 135,604.51 = 55,824.67 : x
  2. Step 2: Convert to fraction form
    98,263.81/135,604.51 = 55,824.67/x
  3. Step 3: Cross multiply
    98,263.81x = 135,604.51 × 55,824.67
  4. Step 4: Simplify right side
    98,263.81x = 7,570,077,365.22
  5. Step 5: Solve for x
    x = 7,570,077,365.22/98,263.81
  6. Step 6: Final answer
    x = 77,038.30

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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.