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Finding the Fourth Proportional to 173,485.81, 260,051.46 and 98,447.50

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Solution

The fourth proportional to 173,485.81, 260,051.46 and 98,447.50 is: 147,570.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,485.81 : 260,051.46 = 98,447.50 : x
  2. Step 2: Convert to fraction form
    173,485.81/260,051.46 = 98,447.50/x
  3. Step 3: Cross multiply
    173,485.81x = 260,051.46 × 98,447.50
  4. Step 4: Simplify right side
    173,485.81x = 25,601,416,108.35
  5. Step 5: Solve for x
    x = 25,601,416,108.35/173,485.81
  6. Step 6: Final answer
    x = 147,570.66

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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.