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Finding the Fourth Proportional to 201,624.90, 302,437.35 and 89,358.90

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Solution

The fourth proportional to 201,624.90, 302,437.35 and 89,358.90 is: 134,038.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,624.90 : 302,437.35 = 89,358.90 : x
  2. Step 2: Convert to fraction form
    201,624.90/302,437.35 = 89,358.90/x
  3. Step 3: Cross multiply
    201,624.90x = 302,437.35 × 89,358.90
  4. Step 4: Simplify right side
    201,624.90x = 27,025,468,914.92
  5. Step 5: Solve for x
    x = 27,025,468,914.92/201,624.90
  6. Step 6: Final answer
    x = 134,038.35

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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.