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Finding the Fourth Proportional to 336,669, 505,088.08 and 96,783.34

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Solution

The fourth proportional to 336,669, 505,088.08 and 96,783.34 is: 145,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,669 : 505,088.08 = 96,783.34 : x
  2. Step 2: Convert to fraction form
    336,669/505,088.08 = 96,783.34/x
  3. Step 3: Cross multiply
    336,669x = 505,088.08 × 96,783.34
  4. Step 4: Simplify right side
    336,669x = 48,884,108,851.15
  5. Step 5: Solve for x
    x = 48,884,108,851.15/336,669
  6. Step 6: Final answer
    x = 145,199.32

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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.