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Finding the Fourth Proportional to 118,365.65, 177,548.94 and 29,618.90

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Solution

The fourth proportional to 118,365.65, 177,548.94 and 29,618.90 is: 44,428.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,365.65 : 177,548.94 = 29,618.90 : x
  2. Step 2: Convert to fraction form
    118,365.65/177,548.94 = 29,618.90/x
  3. Step 3: Cross multiply
    118,365.65x = 177,548.94 × 29,618.90
  4. Step 4: Simplify right side
    118,365.65x = 5,258,803,411.22
  5. Step 5: Solve for x
    x = 5,258,803,411.22/118,365.65
  6. Step 6: Final answer
    x = 44,428.46

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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.