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Finding the Fourth Proportional to 104,613, 156,988.62 and 49,213.32

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Solution

The fourth proportional to 104,613, 156,988.62 and 49,213.32 is: 73,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,613 : 156,988.62 = 49,213.32 : x
  2. Step 2: Convert to fraction form
    104,613/156,988.62 = 49,213.32/x
  3. Step 3: Cross multiply
    104,613x = 156,988.62 × 49,213.32
  4. Step 4: Simplify right side
    104,613x = 7,725,931,192.42
  5. Step 5: Solve for x
    x = 7,725,931,192.42/104,613
  6. Step 6: Final answer
    x = 73,852.50

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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.