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Finding the Fourth Proportional to 153,518.96, 230,309.48 and 64,772.68

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Solution

The fourth proportional to 153,518.96, 230,309.48 and 64,772.68 is: 97,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,518.96 : 230,309.48 = 64,772.68 : x
  2. Step 2: Convert to fraction form
    153,518.96/230,309.48 = 64,772.68/x
  3. Step 3: Cross multiply
    153,518.96x = 230,309.48 × 64,772.68
  4. Step 4: Simplify right side
    153,518.96x = 14,917,762,249.01
  5. Step 5: Solve for x
    x = 14,917,762,249.01/153,518.96
  6. Step 6: Final answer
    x = 97,172.12

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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.