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Finding the Fourth Proportional to 149,953.34, 224,818.89 and 90,775.01

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Solution

The fourth proportional to 149,953.34, 224,818.89 and 90,775.01 is: 136,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,953.34 : 224,818.89 = 90,775.01 : x
  2. Step 2: Convert to fraction form
    149,953.34/224,818.89 = 90,775.01/x
  3. Step 3: Cross multiply
    149,953.34x = 224,818.89 × 90,775.01
  4. Step 4: Simplify right side
    149,953.34x = 20,407,936,987.94
  5. Step 5: Solve for x
    x = 20,407,936,987.94/149,953.34
  6. Step 6: Final answer
    x = 136,095.25

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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.