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Finding the Fourth Proportional to 173,357.40, 260,036.10 and 89,376.60

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Solution

The fourth proportional to 173,357.40, 260,036.10 and 89,376.60 is: 134,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,357.40 : 260,036.10 = 89,376.60 : x
  2. Step 2: Convert to fraction form
    173,357.40/260,036.10 = 89,376.60/x
  3. Step 3: Cross multiply
    173,357.40x = 260,036.10 × 89,376.60
  4. Step 4: Simplify right side
    173,357.40x = 23,241,142,495.26
  5. Step 5: Solve for x
    x = 23,241,142,495.26/173,357.40
  6. Step 6: Final answer
    x = 134,064.90

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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.