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Finding the Fourth Proportional to 210,599.03, 290,459.44 and 159,088.03

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Solution

The fourth proportional to 210,599.03, 290,459.44 and 159,088.03 is: 219,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,599.03 : 290,459.44 = 159,088.03 : x
  2. Step 2: Convert to fraction form
    210,599.03/290,459.44 = 159,088.03/x
  3. Step 3: Cross multiply
    210,599.03x = 290,459.44 × 159,088.03
  4. Step 4: Simplify right side
    210,599.03x = 46,208,620,104.50
  5. Step 5: Solve for x
    x = 46,208,620,104.50/210,599.03
  6. Step 6: Final answer
    x = 219,415.16

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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.