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Finding the Fourth Proportional to 177,303.60, 265,955.40 and 72,068.40

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Solution

The fourth proportional to 177,303.60, 265,955.40 and 72,068.40 is: 108,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,303.60 : 265,955.40 = 72,068.40 : x
  2. Step 2: Convert to fraction form
    177,303.60/265,955.40 = 72,068.40/x
  3. Step 3: Cross multiply
    177,303.60x = 265,955.40 × 72,068.40
  4. Step 4: Simplify right side
    177,303.60x = 19,166,980,149.36
  5. Step 5: Solve for x
    x = 19,166,980,149.36/177,303.60
  6. Step 6: Final answer
    x = 108,102.60

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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.