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Finding the Fourth Proportional to 194,989.32, 292,484.04 and 70,330.32

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Solution

The fourth proportional to 194,989.32, 292,484.04 and 70,330.32 is: 105,495.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,989.32 : 292,484.04 = 70,330.32 : x
  2. Step 2: Convert to fraction form
    194,989.32/292,484.04 = 70,330.32/x
  3. Step 3: Cross multiply
    194,989.32x = 292,484.04 × 70,330.32
  4. Step 4: Simplify right side
    194,989.32x = 20,570,496,128.09
  5. Step 5: Solve for x
    x = 20,570,496,128.09/194,989.32
  6. Step 6: Final answer
    x = 105,495.50

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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.