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Finding the Fourth Proportional to 168,210.98, 252,030.85 and 101,510.95

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Solution

The fourth proportional to 168,210.98, 252,030.85 and 101,510.95 is: 152,094.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,210.98 : 252,030.85 = 101,510.95 : x
  2. Step 2: Convert to fraction form
    168,210.98/252,030.85 = 101,510.95/x
  3. Step 3: Cross multiply
    168,210.98x = 252,030.85 × 101,510.95
  4. Step 4: Simplify right side
    168,210.98x = 25,583,891,012.81
  5. Step 5: Solve for x
    x = 25,583,891,012.81/168,210.98
  6. Step 6: Final answer
    x = 152,094.06

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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.