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Finding the Fourth Proportional to 173,598.60, 260,657.10 and 121,240.20

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Solution

The fourth proportional to 173,598.60, 260,657.10 and 121,240.20 is: 182,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,598.60 : 260,657.10 = 121,240.20 : x
  2. Step 2: Convert to fraction form
    173,598.60/260,657.10 = 121,240.20/x
  3. Step 3: Cross multiply
    173,598.60x = 260,657.10 × 121,240.20
  4. Step 4: Simplify right side
    173,598.60x = 31,602,118,935.42
  5. Step 5: Solve for x
    x = 31,602,118,935.42/173,598.60
  6. Step 6: Final answer
    x = 182,041.32

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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.