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Finding the Fourth Proportional to 176,814.40, 265,221.60 and 157,460.80

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Solution

The fourth proportional to 176,814.40, 265,221.60 and 157,460.80 is: 236,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,814.40 : 265,221.60 = 157,460.80 : x
  2. Step 2: Convert to fraction form
    176,814.40/265,221.60 = 157,460.80/x
  3. Step 3: Cross multiply
    176,814.40x = 265,221.60 × 157,460.80
  4. Step 4: Simplify right side
    176,814.40x = 41,762,005,313.28
  5. Step 5: Solve for x
    x = 41,762,005,313.28/176,814.40
  6. Step 6: Final answer
    x = 236,191.20

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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.