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Finding the Fourth Proportional to 173,387.60, 260,088.60 and 55,055.60

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Solution

The fourth proportional to 173,387.60, 260,088.60 and 55,055.60 is: 82,585.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,387.60 : 260,088.60 = 55,055.60 : x
  2. Step 2: Convert to fraction form
    173,387.60/260,088.60 = 55,055.60/x
  3. Step 3: Cross multiply
    173,387.60x = 260,088.60 × 55,055.60
  4. Step 4: Simplify right side
    173,387.60x = 14,319,333,926.16
  5. Step 5: Solve for x
    x = 14,319,333,926.16/173,387.60
  6. Step 6: Final answer
    x = 82,585.69

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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.