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Finding the Fourth Proportional to 153,606.40, 230,409.60 and 42,798.40

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Solution

The fourth proportional to 153,606.40, 230,409.60 and 42,798.40 is: 64,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,606.40 : 230,409.60 = 42,798.40 : x
  2. Step 2: Convert to fraction form
    153,606.40/230,409.60 = 42,798.40/x
  3. Step 3: Cross multiply
    153,606.40x = 230,409.60 × 42,798.40
  4. Step 4: Simplify right side
    153,606.40x = 9,861,162,224.64
  5. Step 5: Solve for x
    x = 9,861,162,224.64/153,606.40
  6. Step 6: Final answer
    x = 64,197.60

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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.