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Finding the Fourth Proportional to 153,603.09, 230,404.45 and 42,795.09

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Solution

The fourth proportional to 153,603.09, 230,404.45 and 42,795.09 is: 64,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,603.09 : 230,404.45 = 42,795.09 : x
  2. Step 2: Convert to fraction form
    153,603.09/230,404.45 = 42,795.09/x
  3. Step 3: Cross multiply
    153,603.09x = 230,404.45 × 42,795.09
  4. Step 4: Simplify right side
    153,603.09x = 9,860,179,174.15
  5. Step 5: Solve for x
    x = 9,860,179,174.15/153,603.09
  6. Step 6: Final answer
    x = 64,192.58

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1.5x scale

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.