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Finding the Fourth Proportional to 272,164, 375,599.12 and 151,307.28

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Solution

The fourth proportional to 272,164, 375,599.12 and 151,307.28 is: 208,811.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,164 : 375,599.12 = 151,307.28 : x
  2. Step 2: Convert to fraction form
    272,164/375,599.12 = 151,307.28/x
  3. Step 3: Cross multiply
    272,164x = 375,599.12 × 151,307.28
  4. Step 4: Simplify right side
    272,164x = 56,830,881,217.59
  5. Step 5: Solve for x
    x = 56,830,881,217.59/272,164
  6. Step 6: Final answer
    x = 208,811.16

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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.