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Finding the Fourth Proportional to 246,656.59, 340,384.08 and 139,225.75

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Solution

The fourth proportional to 246,656.59, 340,384.08 and 139,225.75 is: 192,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,656.59 : 340,384.08 = 139,225.75 : x
  2. Step 2: Convert to fraction form
    246,656.59/340,384.08 = 139,225.75/x
  3. Step 3: Cross multiply
    246,656.59x = 340,384.08 × 139,225.75
  4. Step 4: Simplify right side
    246,656.59x = 47,390,228,826.06
  5. Step 5: Solve for x
    x = 47,390,228,826.06/246,656.59
  6. Step 6: Final answer
    x = 192,130.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.