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Finding the Fourth Proportional to 173,980.40, 260,970.60 and 49,322.48

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Solution

The fourth proportional to 173,980.40, 260,970.60 and 49,322.48 is: 73,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,980.40 : 260,970.60 = 49,322.48 : x
  2. Step 2: Convert to fraction form
    173,980.40/260,970.60 = 49,322.48/x
  3. Step 3: Cross multiply
    173,980.40x = 260,970.60 × 49,322.48
  4. Step 4: Simplify right side
    173,980.40x = 12,871,717,199.09
  5. Step 5: Solve for x
    x = 12,871,717,199.09/173,980.40
  6. Step 6: Final answer
    x = 73,983.72

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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.