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Finding the Fourth Proportional to 157,802.99, 236,742.75 and 52,630.16

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Solution

The fourth proportional to 157,802.99, 236,742.75 and 52,630.16 is: 78,958.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,802.99 : 236,742.75 = 52,630.16 : x
  2. Step 2: Convert to fraction form
    157,802.99/236,742.75 = 52,630.16/x
  3. Step 3: Cross multiply
    157,802.99x = 236,742.75 × 52,630.16
  4. Step 4: Simplify right side
    157,802.99x = 12,459,807,627.63
  5. Step 5: Solve for x
    x = 12,459,807,627.63/157,802.99
  6. Step 6: Final answer
    x = 78,958.00

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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.