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Finding the Fourth Proportional to 178,055.64, 245,717.50 and 97,490.67

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Solution

The fourth proportional to 178,055.64, 245,717.50 and 97,490.67 is: 134,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,055.64 : 245,717.50 = 97,490.67 : x
  2. Step 2: Convert to fraction form
    178,055.64/245,717.50 = 97,490.67/x
  3. Step 3: Cross multiply
    178,055.64x = 245,717.50 × 97,490.67
  4. Step 4: Simplify right side
    178,055.64x = 23,955,163,705.73
  5. Step 5: Solve for x
    x = 23,955,163,705.73/178,055.64
  6. Step 6: Final answer
    x = 134,537.52

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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.