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Finding the Fourth Proportional to 201,330.58, 301,931.16 and 89,008.24

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Solution

The fourth proportional to 201,330.58, 301,931.16 and 89,008.24 is: 133,483.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,330.58 : 301,931.16 = 89,008.24 : x
  2. Step 2: Convert to fraction form
    201,330.58/301,931.16 = 89,008.24/x
  3. Step 3: Cross multiply
    201,330.58x = 301,931.16 × 89,008.24
  4. Step 4: Simplify right side
    201,330.58x = 26,874,361,152.76
  5. Step 5: Solve for x
    x = 26,874,361,152.76/201,330.58
  6. Step 6: Final answer
    x = 133,483.75

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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.