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Finding the Fourth Proportional to 210,553.08, 290,577.06 and 118,695.06

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Solution

The fourth proportional to 210,553.08, 290,577.06 and 118,695.06 is: 163,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,553.08 : 290,577.06 = 118,695.06 : x
  2. Step 2: Convert to fraction form
    210,553.08/290,577.06 = 118,695.06/x
  3. Step 3: Cross multiply
    210,553.08x = 290,577.06 × 118,695.06
  4. Step 4: Simplify right side
    210,553.08x = 34,490,061,571.32
  5. Step 5: Solve for x
    x = 34,490,061,571.32/210,553.08
  6. Step 6: Final answer
    x = 163,806.97

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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.