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Finding the Fourth Proportional to 163,665.60, 245,728.80 and 101,457.60

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Solution

The fourth proportional to 163,665.60, 245,728.80 and 101,457.60 is: 152,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,665.60 : 245,728.80 = 101,457.60 : x
  2. Step 2: Convert to fraction form
    163,665.60/245,728.80 = 101,457.60/x
  3. Step 3: Cross multiply
    163,665.60x = 245,728.80 × 101,457.60
  4. Step 4: Simplify right side
    163,665.60x = 24,931,054,298.88
  5. Step 5: Solve for x
    x = 24,931,054,298.88/163,665.60
  6. Step 6: Final answer
    x = 152,329.23

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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.