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Finding the Fourth Proportional to 191,122.32, 286,681.86 and 48,967.32

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Solution

The fourth proportional to 191,122.32, 286,681.86 and 48,967.32 is: 73,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,122.32 : 286,681.86 = 48,967.32 : x
  2. Step 2: Convert to fraction form
    191,122.32/286,681.86 = 48,967.32/x
  3. Step 3: Cross multiply
    191,122.32x = 286,681.86 × 48,967.32
  4. Step 4: Simplify right side
    191,122.32x = 14,038,042,376.82
  5. Step 5: Solve for x
    x = 14,038,042,376.82/191,122.32
  6. Step 6: Final answer
    x = 73,450.56

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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.