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Finding the Fourth Proportional to 255,663.93, 383,495.89 and 97,892.38

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Solution

The fourth proportional to 255,663.93, 383,495.89 and 97,892.38 is: 146,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,663.93 : 383,495.89 = 97,892.38 : x
  2. Step 2: Convert to fraction form
    255,663.93/383,495.89 = 97,892.38/x
  3. Step 3: Cross multiply
    255,663.93x = 383,495.89 × 97,892.38
  4. Step 4: Simplify right side
    255,663.93x = 37,541,325,392.32
  5. Step 5: Solve for x
    x = 37,541,325,392.32/255,663.93
  6. Step 6: Final answer
    x = 146,838.57

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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.