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Finding the Fourth Proportional to 176,485.84, 243,440.76 and 104,814.16

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Solution

The fourth proportional to 176,485.84, 243,440.76 and 104,814.16 is: 144,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,485.84 : 243,440.76 = 104,814.16 : x
  2. Step 2: Convert to fraction form
    176,485.84/243,440.76 = 104,814.16/x
  3. Step 3: Cross multiply
    176,485.84x = 243,440.76 × 104,814.16
  4. Step 4: Simplify right side
    176,485.84x = 25,516,038,769.16
  5. Step 5: Solve for x
    x = 25,516,038,769.16/176,485.84
  6. Step 6: Final answer
    x = 144,578.39

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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.