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Finding the Fourth Proportional to 178,071.06, 245,730.47 and 97,497.12

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Solution

The fourth proportional to 178,071.06, 245,730.47 and 97,497.12 is: 134,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,071.06 : 245,730.47 = 97,497.12 : x
  2. Step 2: Convert to fraction form
    178,071.06/245,730.47 = 97,497.12/x
  3. Step 3: Cross multiply
    178,071.06x = 245,730.47 × 97,497.12
  4. Step 4: Simplify right side
    178,071.06x = 23,958,012,633.76
  5. Step 5: Solve for x
    x = 23,958,012,633.76/178,071.06
  6. Step 6: Final answer
    x = 134,541.87

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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.