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Finding the Fourth Proportional to 169,068.60, 233,557.70 and 135,032.40

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Solution

The fourth proportional to 169,068.60, 233,557.70 and 135,032.40 is: 186,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,068.60 : 233,557.70 = 135,032.40 : x
  2. Step 2: Convert to fraction form
    169,068.60/233,557.70 = 135,032.40/x
  3. Step 3: Cross multiply
    169,068.60x = 233,557.70 × 135,032.40
  4. Step 4: Simplify right side
    169,068.60x = 31,537,856,094.32
  5. Step 5: Solve for x
    x = 31,537,856,094.32/169,068.60
  6. Step 6: Final answer
    x = 186,538.81

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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.