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Finding the Fourth Proportional to 145,601.88, 201,051.90 and 98,012.76

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Solution

The fourth proportional to 145,601.88, 201,051.90 and 98,012.76 is: 135,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,601.88 : 201,051.90 = 98,012.76 : x
  2. Step 2: Convert to fraction form
    145,601.88/201,051.90 = 98,012.76/x
  3. Step 3: Cross multiply
    145,601.88x = 201,051.90 × 98,012.76
  4. Step 4: Simplify right side
    145,601.88x = 19,705,651,622.24
  5. Step 5: Solve for x
    x = 19,705,651,622.24/145,601.88
  6. Step 6: Final answer
    x = 135,339.27

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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.