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Finding the Fourth Proportional to 176,817.20, 265,225.80 and 148,823.60

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Solution

The fourth proportional to 176,817.20, 265,225.80 and 148,823.60 is: 223,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,817.20 : 265,225.80 = 148,823.60 : x
  2. Step 2: Convert to fraction form
    176,817.20/265,225.80 = 148,823.60/x
  3. Step 3: Cross multiply
    176,817.20x = 265,225.80 × 148,823.60
  4. Step 4: Simplify right side
    176,817.20x = 39,471,858,368.88
  5. Step 5: Solve for x
    x = 39,471,858,368.88/176,817.20
  6. Step 6: Final answer
    x = 223,235.40

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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.