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Finding the Fourth Proportional to 173,870.60, 260,417.10 and 134,299.40

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Solution

The fourth proportional to 173,870.60, 260,417.10 and 134,299.40 is: 201,148.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,870.60 : 260,417.10 = 134,299.40 : x
  2. Step 2: Convert to fraction form
    173,870.60/260,417.10 = 134,299.40/x
  3. Step 3: Cross multiply
    173,870.60x = 260,417.10 × 134,299.40
  4. Step 4: Simplify right side
    173,870.60x = 34,973,860,279.74
  5. Step 5: Solve for x
    x = 34,973,860,279.74/173,870.60
  6. Step 6: Final answer
    x = 201,148.79

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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.