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Finding the Fourth Proportional to 101,746.70, 152,328.45 and 98,830.70

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Solution

The fourth proportional to 101,746.70, 152,328.45 and 98,830.70 is: 147,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,746.70 : 152,328.45 = 98,830.70 : x
  2. Step 2: Convert to fraction form
    101,746.70/152,328.45 = 98,830.70/x
  3. Step 3: Cross multiply
    101,746.70x = 152,328.45 × 98,830.70
  4. Step 4: Simplify right side
    101,746.70x = 15,054,727,343.42
  5. Step 5: Solve for x
    x = 15,054,727,343.42/101,746.70
  6. Step 6: Final answer
    x = 147,962.81

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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.