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Finding the Fourth Proportional to 173,365.40, 260,025.78 and 55,038.08

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Solution

The fourth proportional to 173,365.40, 260,025.78 and 55,038.08 is: 82,550.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,365.40 : 260,025.78 = 55,038.08 : x
  2. Step 2: Convert to fraction form
    173,365.40/260,025.78 = 55,038.08/x
  3. Step 3: Cross multiply
    173,365.40x = 260,025.78 × 55,038.08
  4. Step 4: Simplify right side
    173,365.40x = 14,311,319,681.70
  5. Step 5: Solve for x
    x = 14,311,319,681.70/173,365.40
  6. Step 6: Final answer
    x = 82,550.03

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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.