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Finding the Fourth Proportional to 178,076.16, 245,745 and 97,503.63

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Solution

The fourth proportional to 178,076.16, 245,745 and 97,503.63 is: 134,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,076.16 : 245,745 = 97,503.63 : x
  2. Step 2: Convert to fraction form
    178,076.16/245,745 = 97,503.63/x
  3. Step 3: Cross multiply
    178,076.16x = 245,745 × 97,503.63
  4. Step 4: Simplify right side
    178,076.16x = 23,961,029,554.35
  5. Step 5: Solve for x
    x = 23,961,029,554.35/178,076.16
  6. Step 6: Final answer
    x = 134,554.95

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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.