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Finding the Fourth Proportional to 191,402.98, 264,130.59 and 106,518.22

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Solution

The fourth proportional to 191,402.98, 264,130.59 and 106,518.22 is: 146,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,402.98 : 264,130.59 = 106,518.22 : x
  2. Step 2: Convert to fraction form
    191,402.98/264,130.59 = 106,518.22/x
  3. Step 3: Cross multiply
    191,402.98x = 264,130.59 × 106,518.22
  4. Step 4: Simplify right side
    191,402.98x = 28,134,718,973.70
  5. Step 5: Solve for x
    x = 28,134,718,973.70/191,402.98
  6. Step 6: Final answer
    x = 146,992.07

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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.