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Finding the Fourth Proportional to 178,349.40, 246,130.92 and 97,780.32

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Solution

The fourth proportional to 178,349.40, 246,130.92 and 97,780.32 is: 134,941.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,349.40 : 246,130.92 = 97,780.32 : x
  2. Step 2: Convert to fraction form
    178,349.40/246,130.92 = 97,780.32/x
  3. Step 3: Cross multiply
    178,349.40x = 246,130.92 × 97,780.32
  4. Step 4: Simplify right side
    178,349.40x = 24,066,760,119.49
  5. Step 5: Solve for x
    x = 24,066,760,119.49/178,349.40
  6. Step 6: Final answer
    x = 134,941.64

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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.