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Finding the Fourth Proportional to 147,362.61, 221,045.43 and 117,967.31

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Solution

The fourth proportional to 147,362.61, 221,045.43 and 117,967.31 is: 176,952.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,362.61 : 221,045.43 = 117,967.31 : x
  2. Step 2: Convert to fraction form
    147,362.61/221,045.43 = 117,967.31/x
  3. Step 3: Cross multiply
    147,362.61x = 221,045.43 × 117,967.31
  4. Step 4: Simplify right side
    147,362.61x = 26,076,133,659.67
  5. Step 5: Solve for x
    x = 26,076,133,659.67/147,362.61
  6. Step 6: Final answer
    x = 176,952.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.