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Finding the Fourth Proportional to 194,971.70, 292,457.54 and 70,312.70

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Solution

The fourth proportional to 194,971.70, 292,457.54 and 70,312.70 is: 105,469.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,971.70 : 292,457.54 = 70,312.70 : x
  2. Step 2: Convert to fraction form
    194,971.70/292,457.54 = 70,312.70/x
  3. Step 3: Cross multiply
    194,971.70x = 292,457.54 × 70,312.70
  4. Step 4: Simplify right side
    194,971.70x = 20,563,477,458.91
  5. Step 5: Solve for x
    x = 20,563,477,458.91/194,971.70
  6. Step 6: Final answer
    x = 105,469.04

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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.