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Finding the Fourth Proportional to 177,897.72, 266,582.52 and 98,903.28

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Solution

The fourth proportional to 177,897.72, 266,582.52 and 98,903.28 is: 148,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,897.72 : 266,582.52 = 98,903.28 : x
  2. Step 2: Convert to fraction form
    177,897.72/266,582.52 = 98,903.28/x
  3. Step 3: Cross multiply
    177,897.72x = 266,582.52 × 98,903.28
  4. Step 4: Simplify right side
    177,897.72x = 26,365,885,618.67
  5. Step 5: Solve for x
    x = 26,365,885,618.67/177,897.72
  6. Step 6: Final answer
    x = 148,208.11

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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.