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Finding the Fourth Proportional to 59,210.60, 81,746.88 and 56,368.88

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Solution

The fourth proportional to 59,210.60, 81,746.88 and 56,368.88 is: 77,823.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,210.60 : 81,746.88 = 56,368.88 : x
  2. Step 2: Convert to fraction form
    59,210.60/81,746.88 = 56,368.88/x
  3. Step 3: Cross multiply
    59,210.60x = 81,746.88 × 56,368.88
  4. Step 4: Simplify right side
    59,210.60x = 4,607,980,069.09
  5. Step 5: Solve for x
    x = 4,607,980,069.09/59,210.60
  6. Step 6: Final answer
    x = 77,823.57

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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.