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Finding the Fourth Proportional to 210,602.04, 290,463.58 and 159,091.02

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Solution

The fourth proportional to 210,602.04, 290,463.58 and 159,091.02 is: 219,419.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,602.04 : 290,463.58 = 159,091.02 : x
  2. Step 2: Convert to fraction form
    210,602.04/290,463.58 = 159,091.02/x
  3. Step 3: Cross multiply
    210,602.04x = 290,463.58 × 159,091.02
  4. Step 4: Simplify right side
    210,602.04x = 46,210,147,215.05
  5. Step 5: Solve for x
    x = 46,210,147,215.05/210,602.04
  6. Step 6: Final answer
    x = 219,419.28

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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.