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Finding the Fourth Proportional to 118,189.52, 177,285.84 and 39,303.76

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Solution

The fourth proportional to 118,189.52, 177,285.84 and 39,303.76 is: 58,956.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,189.52 : 177,285.84 = 39,303.76 : x
  2. Step 2: Convert to fraction form
    118,189.52/177,285.84 = 39,303.76/x
  3. Step 3: Cross multiply
    118,189.52x = 177,285.84 × 39,303.76
  4. Step 4: Simplify right side
    118,189.52x = 6,968,000,106.76
  5. Step 5: Solve for x
    x = 6,968,000,106.76/118,189.52
  6. Step 6: Final answer
    x = 58,956.16

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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.