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Finding the Fourth Proportional to 272,160, 375,593.60 and 151,303.28

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Solution

The fourth proportional to 272,160, 375,593.60 and 151,303.28 is: 208,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,160 : 375,593.60 = 151,303.28 : x
  2. Step 2: Convert to fraction form
    272,160/375,593.60 = 151,303.28/x
  3. Step 3: Cross multiply
    272,160x = 375,593.60 × 151,303.28
  4. Step 4: Simplify right side
    272,160x = 56,828,543,627.01
  5. Step 5: Solve for x
    x = 56,828,543,627.01/272,160
  6. Step 6: Final answer
    x = 208,805.64

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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.