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Finding the Fourth Proportional to 98,271.70, 147,407.58 and 65,203.04

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Solution

The fourth proportional to 98,271.70, 147,407.58 and 65,203.04 is: 97,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,271.70 : 147,407.58 = 65,203.04 : x
  2. Step 2: Convert to fraction form
    98,271.70/147,407.58 = 65,203.04/x
  3. Step 3: Cross multiply
    98,271.70x = 147,407.58 × 65,203.04
  4. Step 4: Simplify right side
    98,271.70x = 9,611,422,703.56
  5. Step 5: Solve for x
    x = 9,611,422,703.56/98,271.70
  6. Step 6: Final answer
    x = 97,804.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.