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Finding the Fourth Proportional to 145,363.36, 200,681.04 and 88,012.96

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Solution

The fourth proportional to 145,363.36, 200,681.04 and 88,012.96 is: 121,506.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,363.36 : 200,681.04 = 88,012.96 : x
  2. Step 2: Convert to fraction form
    145,363.36/200,681.04 = 88,012.96/x
  3. Step 3: Cross multiply
    145,363.36x = 200,681.04 × 88,012.96
  4. Step 4: Simplify right side
    145,363.36x = 17,662,532,346.28
  5. Step 5: Solve for x
    x = 17,662,532,346.28/145,363.36
  6. Step 6: Final answer
    x = 121,506.08

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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.