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Finding the Fourth Proportional to 176,608.20, 265,430.70 and 153,798.60

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Solution

The fourth proportional to 176,608.20, 265,430.70 and 153,798.60 is: 231,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,608.20 : 265,430.70 = 153,798.60 : x
  2. Step 2: Convert to fraction form
    176,608.20/265,430.70 = 153,798.60/x
  3. Step 3: Cross multiply
    176,608.20x = 265,430.70 × 153,798.60
  4. Step 4: Simplify right side
    176,608.20x = 40,822,870,057.02
  5. Step 5: Solve for x
    x = 40,822,870,057.02/176,608.20
  6. Step 6: Final answer
    x = 231,149.35

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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.