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Finding the Fourth Proportional to 185,406.15, 260,159.10 and 185,406.15

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Solution

The fourth proportional to 185,406.15, 260,159.10 and 185,406.15 is: 260,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,406.15 : 260,159.10 = 185,406.15 : x
  2. Step 2: Convert to fraction form
    185,406.15/260,159.10 = 185,406.15/x
  3. Step 3: Cross multiply
    185,406.15x = 260,159.10 × 185,406.15
  4. Step 4: Simplify right side
    185,406.15x = 48,235,097,118.47
  5. Step 5: Solve for x
    x = 48,235,097,118.47/185,406.15
  6. Step 6: Final answer
    x = 260,159.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.