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Finding the Fourth Proportional to 173,421.81, 260,132.82 and 48,762.81

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Solution

The fourth proportional to 173,421.81, 260,132.82 and 48,762.81 is: 73,144.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,421.81 : 260,132.82 = 48,762.81 : x
  2. Step 2: Convert to fraction form
    173,421.81/260,132.82 = 48,762.81/x
  3. Step 3: Cross multiply
    173,421.81x = 260,132.82 × 48,762.81
  4. Step 4: Simplify right side
    173,421.81x = 12,684,807,276.42
  5. Step 5: Solve for x
    x = 12,684,807,276.42/173,421.81
  6. Step 6: Final answer
    x = 73,144.24

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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.