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Finding the Fourth Proportional to 161,560, 222,957.93 and 101,111.32

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Solution

The fourth proportional to 161,560, 222,957.93 and 101,111.32 is: 139,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,560 : 222,957.93 = 101,111.32 : x
  2. Step 2: Convert to fraction form
    161,560/222,957.93 = 101,111.32/x
  3. Step 3: Cross multiply
    161,560x = 222,957.93 × 101,111.32
  4. Step 4: Simplify right side
    161,560x = 22,543,570,606.77
  5. Step 5: Solve for x
    x = 22,543,570,606.77/161,560
  6. Step 6: Final answer
    x = 139,536.83

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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.