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Finding the Fourth Proportional to 178,010.76, 245,661.08 and 97,438.34

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Solution

The fourth proportional to 178,010.76, 245,661.08 and 97,438.34 is: 134,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,010.76 : 245,661.08 = 97,438.34 : x
  2. Step 2: Convert to fraction form
    178,010.76/245,661.08 = 97,438.34/x
  3. Step 3: Cross multiply
    178,010.76x = 245,661.08 × 97,438.34
  4. Step 4: Simplify right side
    178,010.76x = 23,936,807,837.81
  5. Step 5: Solve for x
    x = 23,936,807,837.81/178,010.76
  6. Step 6: Final answer
    x = 134,468.32

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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.