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Finding the Fourth Proportional to 111,210.08, 153,472.48 and 63,467.88

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Solution

The fourth proportional to 111,210.08, 153,472.48 and 63,467.88 is: 87,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,210.08 : 153,472.48 = 63,467.88 : x
  2. Step 2: Convert to fraction form
    111,210.08/153,472.48 = 63,467.88/x
  3. Step 3: Cross multiply
    111,210.08x = 153,472.48 × 63,467.88
  4. Step 4: Simplify right side
    111,210.08x = 9,740,572,943.94
  5. Step 5: Solve for x
    x = 9,740,572,943.94/111,210.08
  6. Step 6: Final answer
    x = 87,587.14

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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.