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Finding the Fourth Proportional to 265,127.40, 365,754.92 and 157,636.34

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Solution

The fourth proportional to 265,127.40, 365,754.92 and 157,636.34 is: 217,466.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,127.40 : 365,754.92 = 157,636.34 : x
  2. Step 2: Convert to fraction form
    265,127.40/365,754.92 = 157,636.34/x
  3. Step 3: Cross multiply
    265,127.40x = 365,754.92 × 157,636.34
  4. Step 4: Simplify right side
    265,127.40x = 57,656,266,925.79
  5. Step 5: Solve for x
    x = 57,656,266,925.79/265,127.40
  6. Step 6: Final answer
    x = 217,466.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.