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Finding the Fourth Proportional to 183,902.76, 253,792.40 and 103,328.72

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Solution

The fourth proportional to 183,902.76, 253,792.40 and 103,328.72 is: 142,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,902.76 : 253,792.40 = 103,328.72 : x
  2. Step 2: Convert to fraction form
    183,902.76/253,792.40 = 103,328.72/x
  3. Step 3: Cross multiply
    183,902.76x = 253,792.40 × 103,328.72
  4. Step 4: Simplify right side
    183,902.76x = 26,224,043,837.73
  5. Step 5: Solve for x
    x = 26,224,043,837.73/183,902.76
  6. Step 6: Final answer
    x = 142,597.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.