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Finding the Fourth Proportional to 178,482.76, 246,402.14 and 137,857.34

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Solution

The fourth proportional to 178,482.76, 246,402.14 and 137,857.34 is: 190,317.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,482.76 : 246,402.14 = 137,857.34 : x
  2. Step 2: Convert to fraction form
    178,482.76/246,402.14 = 137,857.34/x
  3. Step 3: Cross multiply
    178,482.76x = 246,402.14 × 137,857.34
  4. Step 4: Simplify right side
    178,482.76x = 33,968,342,901.42
  5. Step 5: Solve for x
    x = 33,968,342,901.42/178,482.76
  6. Step 6: Final answer
    x = 190,317.23

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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.