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Finding the Fourth Proportional to 118,046.40, 176,810.40 and 102,494.40

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Solution

The fourth proportional to 118,046.40, 176,810.40 and 102,494.40 is: 153,516.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,046.40 : 176,810.40 = 102,494.40 : x
  2. Step 2: Convert to fraction form
    118,046.40/176,810.40 = 102,494.40/x
  3. Step 3: Cross multiply
    118,046.40x = 176,810.40 × 102,494.40
  4. Step 4: Simplify right side
    118,046.40x = 18,122,075,861.76
  5. Step 5: Solve for x
    x = 18,122,075,861.76/118,046.40
  6. Step 6: Final answer
    x = 153,516.55

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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.