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Finding the Fourth Proportional to 178,056.72, 245,718.48 and 97,484.88

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Solution

The fourth proportional to 178,056.72, 245,718.48 and 97,484.88 is: 134,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,056.72 : 245,718.48 = 97,484.88 : x
  2. Step 2: Convert to fraction form
    178,056.72/245,718.48 = 97,484.88/x
  3. Step 3: Cross multiply
    178,056.72x = 245,718.48 × 97,484.88
  4. Step 4: Simplify right side
    178,056.72x = 23,953,836,536.58
  5. Step 5: Solve for x
    x = 23,953,836,536.58/178,056.72
  6. Step 6: Final answer
    x = 134,529.25

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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.