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Finding the Fourth Proportional to 173,386.56, 260,154.96 and 61,146.98

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Solution

The fourth proportional to 173,386.56, 260,154.96 and 61,146.98 is: 91,746.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,386.56 : 260,154.96 = 61,146.98 : x
  2. Step 2: Convert to fraction form
    173,386.56/260,154.96 = 61,146.98/x
  3. Step 3: Cross multiply
    173,386.56x = 260,154.96 × 61,146.98
  4. Step 4: Simplify right side
    173,386.56x = 15,907,690,136.02
  5. Step 5: Solve for x
    x = 15,907,690,136.02/173,386.56
  6. Step 6: Final answer
    x = 91,746.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.