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Finding the Fourth Proportional to 157,564.61, 236,346.79 and 46,756.61

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Solution

The fourth proportional to 157,564.61, 236,346.79 and 46,756.61 is: 70,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,564.61 : 236,346.79 = 46,756.61 : x
  2. Step 2: Convert to fraction form
    157,564.61/236,346.79 = 46,756.61/x
  3. Step 3: Cross multiply
    157,564.61x = 236,346.79 × 46,756.61
  4. Step 4: Simplify right side
    157,564.61x = 11,050,773,386.16
  5. Step 5: Solve for x
    x = 11,050,773,386.16/157,564.61
  6. Step 6: Final answer
    x = 70,134.87

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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.