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Finding the Fourth Proportional to 177,587.98, 245,075.03 and 97,020.72

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Solution

The fourth proportional to 177,587.98, 245,075.03 and 97,020.72 is: 133,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,587.98 : 245,075.03 = 97,020.72 : x
  2. Step 2: Convert to fraction form
    177,587.98/245,075.03 = 97,020.72/x
  3. Step 3: Cross multiply
    177,587.98x = 245,075.03 × 97,020.72
  4. Step 4: Simplify right side
    177,587.98x = 23,777,355,992.21
  5. Step 5: Solve for x
    x = 23,777,355,992.21/177,587.98
  6. Step 6: Final answer
    x = 133,890.57

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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.