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Finding the Fourth Proportional to 153,639.16, 230,458.74 and 48,466.30

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Solution

The fourth proportional to 153,639.16, 230,458.74 and 48,466.30 is: 72,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,639.16 : 230,458.74 = 48,466.30 : x
  2. Step 2: Convert to fraction form
    153,639.16/230,458.74 = 48,466.30/x
  3. Step 3: Cross multiply
    153,639.16x = 230,458.74 × 48,466.30
  4. Step 4: Simplify right side
    153,639.16x = 11,169,482,430.46
  5. Step 5: Solve for x
    x = 11,169,482,430.46/153,639.16
  6. Step 6: Final answer
    x = 72,699.45

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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.