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Finding the Fourth Proportional to 169,160.96, 253,740.68 and 42,802.40

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Solution

The fourth proportional to 169,160.96, 253,740.68 and 42,802.40 is: 64,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,160.96 : 253,740.68 = 42,802.40 : x
  2. Step 2: Convert to fraction form
    169,160.96/253,740.68 = 42,802.40/x
  3. Step 3: Cross multiply
    169,160.96x = 253,740.68 × 42,802.40
  4. Step 4: Simplify right side
    169,160.96x = 10,860,710,081.63
  5. Step 5: Solve for x
    x = 10,860,710,081.63/169,160.96
  6. Step 6: Final answer
    x = 64,203.41

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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.