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Finding the Fourth Proportional to 170,424.34, 235,186.48 and 97,807.70

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Solution

The fourth proportional to 170,424.34, 235,186.48 and 97,807.70 is: 134,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,424.34 : 235,186.48 = 97,807.70 : x
  2. Step 2: Convert to fraction form
    170,424.34/235,186.48 = 97,807.70/x
  3. Step 3: Cross multiply
    170,424.34x = 235,186.48 × 97,807.70
  4. Step 4: Simplify right side
    170,424.34x = 23,003,048,679.90
  5. Step 5: Solve for x
    x = 23,003,048,679.90/170,424.34
  6. Step 6: Final answer
    x = 134,975.14

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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.