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Finding the Fourth Proportional to 145,349.86, 200,453.40 and 94,313.86

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Solution

The fourth proportional to 145,349.86, 200,453.40 and 94,313.86 is: 130,069.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,349.86 : 200,453.40 = 94,313.86 : x
  2. Step 2: Convert to fraction form
    145,349.86/200,453.40 = 94,313.86/x
  3. Step 3: Cross multiply
    145,349.86x = 200,453.40 × 94,313.86
  4. Step 4: Simplify right side
    145,349.86x = 18,905,533,904.12
  5. Step 5: Solve for x
    x = 18,905,533,904.12/145,349.86
  6. Step 6: Final answer
    x = 130,069.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.