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Finding the Fourth Proportional to 581,075.25, 871,663.05 and 160,351.08

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Solution

The fourth proportional to 581,075.25, 871,663.05 and 160,351.08 is: 240,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,075.25 : 871,663.05 = 160,351.08 : x
  2. Step 2: Convert to fraction form
    581,075.25/871,663.05 = 160,351.08/x
  3. Step 3: Cross multiply
    581,075.25x = 871,663.05 × 160,351.08
  4. Step 4: Simplify right side
    581,075.25x = 139,772,111,463.59
  5. Step 5: Solve for x
    x = 139,772,111,463.59/581,075.25
  6. Step 6: Final answer
    x = 240,540.47

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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.