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Finding the Fourth Proportional to 175,841.64, 242,661.60 and 103,230.32

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Solution

The fourth proportional to 175,841.64, 242,661.60 and 103,230.32 is: 142,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,841.64 : 242,661.60 = 103,230.32 : x
  2. Step 2: Convert to fraction form
    175,841.64/242,661.60 = 103,230.32/x
  3. Step 3: Cross multiply
    175,841.64x = 242,661.60 × 103,230.32
  4. Step 4: Simplify right side
    175,841.64x = 25,050,033,406.40
  5. Step 5: Solve for x
    x = 25,050,033,406.40/175,841.64
  6. Step 6: Final answer
    x = 142,457.92

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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.