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Finding the Fourth Proportional to 153,805.52, 212,266.23 and 93,362.27

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Solution

The fourth proportional to 153,805.52, 212,266.23 and 93,362.27 is: 128,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,805.52 : 212,266.23 = 93,362.27 : x
  2. Step 2: Convert to fraction form
    153,805.52/212,266.23 = 93,362.27/x
  3. Step 3: Cross multiply
    153,805.52x = 212,266.23 × 93,362.27
  4. Step 4: Simplify right side
    153,805.52x = 19,817,657,077.14
  5. Step 5: Solve for x
    x = 19,817,657,077.14/153,805.52
  6. Step 6: Final answer
    x = 128,848.80

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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.