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Finding the Fourth Proportional to 199,592.32, 299,354.46 and 66,457.48

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Solution

The fourth proportional to 199,592.32, 299,354.46 and 66,457.48 is: 99,674.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,592.32 : 299,354.46 = 66,457.48 : x
  2. Step 2: Convert to fraction form
    199,592.32/299,354.46 = 66,457.48/x
  3. Step 3: Cross multiply
    199,592.32x = 299,354.46 × 66,457.48
  4. Step 4: Simplify right side
    199,592.32x = 19,894,343,038.36
  5. Step 5: Solve for x
    x = 19,894,343,038.36/199,592.32
  6. Step 6: Final answer
    x = 99,674.89

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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.