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Finding the Fourth Proportional to 165,605.34, 248,412.12 and 60,424.32

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Solution

The fourth proportional to 165,605.34, 248,412.12 and 60,424.32 is: 90,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,605.34 : 248,412.12 = 60,424.32 : x
  2. Step 2: Convert to fraction form
    165,605.34/248,412.12 = 60,424.32/x
  3. Step 3: Cross multiply
    165,605.34x = 248,412.12 × 60,424.32
  4. Step 4: Simplify right side
    165,605.34x = 15,010,133,430.76
  5. Step 5: Solve for x
    x = 15,010,133,430.76/165,605.34
  6. Step 6: Final answer
    x = 90,637.98

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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.